Contents Wiring diagrams Section: Testing & Diagnostics All sections

Pgm-Fi System: Diagnosis Honda Odyssey II

Testing & Diagnostics 36 illustrations ~2750 words

DTC INDEX

DTCDescription
DTC P0107'99-00 Models: MAP Sensor Circuit Low Voltage
DTC P0107'01 Model: MAP Sensor Circuit Low Voltage
DTC P0107'02-04 Models: MAP Sensor Circuit Low Voltage
DTC P0108'99-00 Models: MAP Sensor Circuit High Voltage
DTC P0108'01 Model: MAP Sensor Circuit High Voltage
DTC P0108'02-04 Models: MAP Sensor Circuit High Voltage
DTC P1128MAP Sensor Signal Lower Than Expected
DTC P1129MAP Sensor Signal Higher Than Expected
DTC P0112'99-00, '02-04 Models: IAT Sensor Circuit Low Voltage
DTC P0112'01 Model: IAT Sensor Circuit Low Voltage
DTC P0113'99-00, '02-04 Models: IAT Sensor Circuit High Voltage
DTC P0113'01 Model: IAT Sensor Circuit High Voltage
DTC P0116ECT Sensor Range/Performance Problem
DTC P0117'99-00, '02-04 Models: ECT Sensor Circuit Low Voltage
DTC P0117'01 Model: ECT Sensor Circuit Low Voltage
DTC P0118'99-00, '02-04 Models: ECT Sensor Circuit High Voltage
DTC P0118'01 Model: ECT Sensor Circuit High Voltage
DTC P0122'99-00, '02-04 Models: TP Sensor Circuit Low Voltage
DTC P0122'01 Model: TP Sensor Circuit Low Voltage
DTC P0123'99-00, '02-04 Models: TP Sensor Circuit High Voltage
DTC P0123'01 Model: TP Sensor Circuit High Voltage
DTC P1121TP Sensor Signal Lower Than Expected
DTC P1122TP Sensor Signal Higher Than Expected
DTC P0128'02-04 Models: Cooling System Malfunction
DTC P0131'99-00, '02-04 Models: Primary HO2S (Sensor 1) Circuit Low Voltage
DTC P0131'01 Model: Primary HO2S (Sensor 1) Circuit Low Voltage
DTC P0132'99-00, '02-04 Models: Primary HO2S (Sensor 1) Circuit High Voltage
DTC P0132'01 Model: Primary HO2S (Sensor 1) Circuit High Voltage
DTC P0133Primary H02S (Sensor 1) Circuit Slow Response
DTC P0137'99-00, '02-04 Models: Secondary HO2S (Sensor 2) Circuit Low Voltage
DTC P0137'01 Model: Secondary HO2S (Sensor 2) Circuit Low Voltage
DTC P0138'99-00, '02-04 Models: Secondary HO2S (Sensor 2) Circuit High Voltage
DTC P0138'01 Model: Secondary HO2S (Sensor 2) Circuit High Voltage
DTC P0139Secondary HO2S (Sensor 2) Circuit Slow Response
DTC P0135'99-00, '02-04 Models: Primary HO2S (Sensor 1) Heater Circuit Malfunction, DTC P0141 - '99-00, '02-04 Models: Secondary HO2S (Sensor 2) Heater Circuit Malfunction
DTC P0135'01 Model: Primary HO2S (Sensor 1) Heater Circuit Malfunction, DTC P0141 - '01 Model: Secondary HO2S (Sensor 2) Heater Circuit Malfunction
DTC P0171Fuel System Too Lean, DTC P0172: Fuel System Too Rich
DTC P0300Random misfire and any combination of DTC P0301-P0306
DTC P0301'99-00, '02-04 Models: No. 1 Cylinder Misfire Detected, DTC P0302 - '99-00, '02-04 Models: No. 2 Cylinder Misfire Detected, DTC P0303 - '99-00, '02-04 Models: No. 3 Cylinder Misfire Detected, DTC P0304 - '99-00, '02-04 Models: No. 4 Cylinder Misfire Detected, DTC P0305 - '99-00, '02-04 Models: No. 5 Cylinder Misfire Detected, DTC P0306 - '99-00, '02-04 Models: No. 6 Cylinder Misfire Detected
DTC P0301'01 Model: No. 1 Cylinder Misfire Detected, DTC P0302 - '01 Model: No. 2 Cylinder Misfire Detected, DTC P0303 - '01 Model: No. 3 Cylinder Misfire Detected, DTC P0304 - '01 Model: No. 4 Cylinder Misfire Detected, DTC P0305 - '01 Model: No. 5 Cylinder Misfire Detected, DTC P0306 '01 Model: No. 6 Cylinder Misfire Detected
DTC P0325'99-00, '02-04 Models: Knock Sensor Circuit Malfunction
DTC P0325'01 Model: Knock Sensor Circuit Malfunction
DTC P0335'99-00, '02-04 Models: CKP Sensor Circuit no Signal, DTC P0336 - '99-00, '02-04 Models: CKP Sensor Circuit Intermittent Interruption
DTC P0335'01 Model: CKP Sensor Circuit No Signal, DTC P0336 - '01 Model: CKP Sensor Circuit Intermittent Interruption
DTC P0340'03-04 Models: CMP Sensor A No Signal, DTC P0341 - '03-04 Models: CMP Sensor A Intermittent Interruption, DTC P0365 - '03-04 Models: CMP Sensor B No Signal, DTC P0366 - '03-04 Models: CMP Sensor B Intermittent Interruption
DTC P0560'01 Model: Low Voltage in PCM Back Up Circuit
DTC P1106BARO Sensor Circuit Range/Performance Problem
DTC P1107BARO Sensor Circuit Low Voltage, DTC P1108: BARO Sensor Circuit High Voltage
DTC P1259Problem In The VTEC Oil Pressure Switch Circuit Or VTEC Solenoid Valve Circuit
DTC P1297'99-00, '02-04 Models: ELD Circuit Low Voltage
DTC P1297'01 Model: ELD Circuit Low Voltage
DTC P1298'99-00, '02-04 Models: ELD Circuit High Voltage
DTC P1298'01 Model: ELD Circuit High Voltage
DTC P1361'99-00, '02 Models: TDC Sensor 1 Circuit Intermittent Interruption, DTC P1362 - '99-00, '02 Models: TDC Sensor 1 Circuit No Signal, DTC P1366 - '99-00, '02 Models: TDC Sensor 2 Circuit Intermittent Interruption, DTC P1367 - '99-00, '02 Models: TDC Sensor 2 Circuit No Signal
DTC P1361'01 Model: TDC Sensor 1 Circuit Intermittent Interruption, DTC P1362 - '01 Model: TDC Sensor 1 Circuit No Signal, DTC P1366 - '01 Model: TDC Sensor 2 Circuit Intermittent Interruption, DTC P1367 - '01 Model: TDC Sensor 2 Circuit No Signal
DTC P1676'99-00 Models: FPTDR Signal Line Failure
DTC P1676'01 Model: FPTDR Signal Line Failure
DTC P1676'02-04 Models: FPTDR Signal Line Failure
DTC P1678FPTDR Signal Line Failure
DTC P0607PCM Back Up Circuit Malfunction
DTC P1607PCM Internal Circuit Malfunction

DTC Index

Scheme 124

Scheme 124: DTC P0107 - '99-00 Models: MAP Sensor Circuit Low Voltage

Scheme 125

Scheme 125

Scheme 126

Scheme 126
  1. Turn the ignition switch ON (II).
  2. Check the MAP with the scan tool or the HDS. Is about 101 kPa (760 mmHg, 30 in.Hg), or 2.9 V indicated? YES: Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM. NO: Go to step 3.
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Turn the ignition switch ON (II).
  6. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 2. Is there about 5 V? YES: Go to step 8 . NO: Go to step 7.
  7. Measure voltage between PCM connector terminals C19 and C7. Is there about 5 V? YES: Repair open in the wire between the PCM (C19) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.
  8. Check the MAP with the scan tool or the HDS. Is about 2 kPa (15 mmHg, 0.6 in.Hg), 0.5 V or less indicated? YES: Go to step 9. NO: Replace the MAP sensor.
  9. Turn the ignition switch OFF.
  10. Disconnect PCM connector C (31P).
  11. Check for continuity between MAP sensor connector terminal No. 3 and body ground. Is there continuity? YES: Repair short in the wire between the PCM (C17) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.

Scheme 127

Scheme 127: DTC P0107 - '01 Model: MAP Sensor Circuit Low Voltage

Scheme 128

Scheme 128

Scheme 129

Scheme 129
  1. Turn the ignition switch ON (II).
  2. Check the MAP with the scan tool or the HDS. Is about 101 kPa (760 mmHg, 30 in.Hg), or 2.9 V Indicated? YES: Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM. NO: Go to step 3.
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Turn the ignition switch ON (II).
  6. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES: Go to step 8 . NO: Go to step 7.
  7. Measure voltage between PCM connector terminals A29 and A31. Is there about 5 V? YES: Repair open in the wire between the PCM (A31) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.
  8. Check the MAP with the scan tool or the HDS. Is about 2 kPa (15 mmHg, 0.6 in.Hg), 0.5 V or less indicated? YES: Go to step 9. NO: Replace the MAP sensor.
  9. Turn the ignition switch OFF.
  10. Disconnect PCM connector A (31P).
  11. Check for continuity between MAP sensor connector terminal No. 2 and body ground. Is there continuity? YES: Repair short in the wire between the PCM (A27) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.

Scheme 130

Scheme 130: DTC P0107 - '02-04 Models: MAP Sensor Circuit Low Voltage

Scheme 131

Scheme 131

Scheme 132

Scheme 132
  1. Turn the ignition switch ON (II).
  2. Check the MAP with the scan tool or the HDS. Is about 101 kPa (760 mmHg, 30 in.Hg), or 2.9 V indicated? YES: Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM. NO: Go to step 3.
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Turn the ignition switch ON (II).
  6. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is thereabout 5 V? YES: Go to step 8 . NO: Go to step 7.
  7. Measure voltage between PCM connector terminals C19 and C7. Is there about 5 V? YES: Repair open in the wire between the PCM (C19) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.
  8. Check the MAP with the scan tool or the HDS. Is about 2 kPa (15 mmHg, 0.6 in.Hg), 0.5 V or less indicated? YES: Go to step 9. NO: Replace the MAP sensor.
  9. Turn the ignition switch OFF.
  10. Disconnect PCM connector C (31P).
  11. Check for continuity between MAP sensor connector terminal No. 2 and body ground. Is there continuity? YES: Repair short in the wire between the PCM (C17) and the MAP sensor. NO: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM.

Scheme 133

Scheme 133: DTC P0108 - '99-00 Models: MAP Sensor Circuit High Voltage

Scheme 134

Scheme 134

Scheme 135

Scheme 135
  1. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
  2. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (780 mmHg, 30 in.Hg), or more than 2.9 V indicated? YES: Go to step 3. NO: Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Install a jumper wire between MAP sensor 3P connector terminals No. 2 and No. 3.
  6. Turn the ignition switch ON (II).
  7. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in.Hg), or more than 2.9 V indicated? YES: Go to step 8. NO: Replace the MAP sensor.
  8. Remove the jumper wire.
  9. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 2. Is there about 5 V? YES: Go to step 10. NO: Repair open in the wire between the PCM (C7) and the MAP sensor.
  10. Turn the ignition switch OFF.
  11. Connect PCM connector terminals C7 and C17 with a jumper wire.
  12. Turn the ignition switch ON (II).
  13. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in.Hg), or more than 2.9 V indicated? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM. NO: Repair open in the wire between the PCM (C17) and the MAP sensor.

Scheme 136

Scheme 136: DTC P0108 - '01 Model: MAP Sensor Circuit High Voltage

Scheme 137

Scheme 137

Scheme 138

Scheme 138
  1. Start the engine Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
  2. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (780 mmHg, 30 in Hg), or more than 2.9V indicated? YES: Go to step 3. NO: Intermittent failure, system is OK at this time Check for poor connections or loose terminals at the MAP sensor and the PCM.
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Install a jumper wire between MAP sensor 3P connector terminals No. 2 and No. 3.
  6. Turn the ignition switch ON (II).
  7. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in Hg) or more than 2.9V indicated? YES: Go to step 8. NO: Replace the MAP sensor.
  8. Remove the jumper wire.
  9. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES: Go to step 10. NO: Repair open in the wire between the PCM (A29) and the MAP sensor.
  10. Turn the ignition switch OFF.
  11. Connect PCM connector terminals A27 and A29 with a jumper wire.
  12. Turn the ignition switch ON (II)
  13. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in Hg), or more than 2.9V indicated? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ) If normal MAP readings are indicated, replace the original PCM. NO: Repair open in the wire between the PCM (A27) and the MAP sensor.

Scheme 139

Scheme 139: DTC P0108 - '02-04 Models: MAP Sensor Circuit High Voltage

Scheme 140

Scheme 140

Scheme 141

Scheme 141
  1. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
  2. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (780 mmHg, 30 in.Hg), or more than 2.9 V indicated? YES: Go to step 3. NO: Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM.
  3. Turn the ignition switch OFF.
  4. Disconnect the MAP sensor 3P connector.
  5. Install a jumper wire between MAP sensor 3P connector terminals No. 2 and No. 3.
  6. Turn the ignition switch ON (II).
  7. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in.Hg), or more than 2.9 V indicated? YES: Go to step 8. NO: Replace the MAP sensor.
  8. Remove the jumper wire.
  9. Measure voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES: Go to step 10. NO: Repair open in the wire between the PCM (C7) and the MAP sensor.
  10. Turn the ignition switch OFF.
  11. Connect PCM connector terminals C7 and C17 with a jumper wire.
  12. Turn the ignition switch ON (II).
  13. Check the MAP with the scan tool or the HDS. Is more than 101 kPa (760 mmHg, 30 in Hg), or more than 2.9 V indicated? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If normal MAP readings are indicated, replace the original PCM. NO: Repair open in the wire between the PCM (C17) and the MAP sensor.

DLC Circuit Troubleshooting

Note. If the PCM does not communicate with the HDS, do this troubleshooting. Check that the MIL circuit is normal, then do this troubleshooting.

Scheme 142

Scheme 142: '99-00, '02-04 Models

Scheme 143

Scheme 143

Scheme 144

Scheme 144

Scheme 145

Scheme 145

Scheme 146

Scheme 146

Scheme 147

Scheme 147

Scheme 148

Scheme 148
  1. Turn the ignition switch ON (II).
  2. Measure voltage between data link connector (DLC) terminal No. 16 and body ground. Is there battery voltage? YES: Go to step 3. NO: Repair open in the wire between DLC terminal No. 16 and the ACGS (15A) fuse in the under-hood fuse/relay box.
  3. Measure voltage between DLC terminal No. 4 and No. 16. Is there battery voltage? YES: Go to step 4. NO: Repair open in the wire between DLC terminal No. 4 and G501.
  4. Measure voltage between DLC terminals No. 5 and No. 16. Is there battery voltage? YES: Go to step 5. NO: Repair open in the wire between DLC terminal No. 5 and G101.
  5. Measure voltage between DLC terminals No. 5 and No. 7. Is there 8.5 V or more? YES: Go to step 10 . NO: Go to step 6.
  6. Turn the ignition switch off.
  7. Disconnect PCM connector A (32P).
  8. Check for continuity between DLC terminal No. 7 and body ground. Is there continuity? YES: Repair short to ground in the wire between DLC terminal No. 7 and the PCM (A21). NO: Go to step 9.
  9. Check for continuity between DLC terminal No. 7 and PCM terminal A21. Is there continuity? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If the symptom/indication goes away with a known-good PCM, replace the original PCM. NO: Repair open in the wire between DLC terminal No. 7 and the PCM (A21).
  10. Turn the ignition switch OFF.
  11. Disconnect PCM connector A (32P).
  12. Turn the ignition switch ON (II).
  13. Measure voltage between DLC terminals No. 5 and No. 7. Is there 0 V? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If the symptom/indication goes away with a known-good PCM, replace the original PCM. NO: Repair short to power in the wire between DLC terminal No. 7 and PCM (A21).

Scheme 149

Scheme 149: '01 Model

Scheme 150

Scheme 150

Scheme 151

Scheme 151

Scheme 152

Scheme 152

Scheme 153

Scheme 153

Scheme 154

Scheme 154

Scheme 155

Scheme 155
  1. Turn the ignition switch ON (II).
  2. Measure voltage between data link connector (DLC) terminal No. 16 and body ground. Is there battery voltage? YES: Go to step 3. NO: Repair open in the wire between DLC terminal No. 16 and the ACGS (15A) fuse in the under-hood fuse/relay box.
  3. Measure voltage between DLC terminals No. 4 and No. 16. Is there battery voltage? YES: Go to step 4. NO: Repair open in the wire between DLC terminal No. 4 and G501.
  4. Measure voltage between DLC terminals No. 5 and No. 16. Is there battery voltage? YES: Go to step 5. NO: Repair open in the wire between DLC terminal No. 5 and G101.
  5. Measure voltage between DLC terminals No. 5 and No. 7. Is there 8.5 V or more? YES: Go to step 10 . NO: Go to step 6.
  6. Turn the ignition switch OFF.
  7. Disconnect PCM connector E (31P).
  8. Check for continuity between DLC terminal No. 7 and body ground. Is there continuity? YES: Repair short to ground in the wire between DLC terminal No. 7 and the PCM (E27). NO: Go to step 9.
  9. Check for continuity between DLC terminal No. 7 and PCM terminal E27. Is there continuity? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If the symptom/indication goes away with a known-good PCM, replace the original PCM. NO: Repair open in the wire between DLC terminal No. 7 and the PCM (E27).
  10. Turn the ignition switch OFF.
  11. Disconnect PCM connector E (31P).
  12. Turn the ignition switch ON (II).
  13. Measure voltage between DLC terminals No. 5 and No. 7. Is there O V? YES: Substitute a known-good PCM and recheck (see «HOW TO SUBSTITUTE THE PCM FOR TESTING PURPOSE»(ref-171136-S22224174352005011100000) ). If the symptom/indication goes away with a known-good PCM, replace the original PCM. NO: Repair short to power in the wire between DLC terminal No. 7 and PCM (E27).

Scheme 156

Scheme 156: '99-01 models

Scheme 157

Scheme 157
  1. Relieve the fuel pressure (see «FUEL PRESSURE RELIEVING»(ref-170538-S19161017922005011000000) ).
  2. Remove the intake manifold covers and the intake manifold (see Intake Manifold Removal and Installation ).
  3. Disconnect the connectors from the injectors (A).
  4. Disconnect the vacuum hose and fuel return hose from the fuel pressure regulator (B). Place a rag or a shop towel over the hoses before disconnecting them.
  5. Remove the bolts (C) from the fuel rail (D).
  6. Remove the fuel rail.
  7. Remove the injectors from the fuel rails.
  8. Slide new cushion rings (A) onto the fuel injectors (B).
  9. Coat the new O-rings (C) with clean engine oil, and put them on the injectors.
  10. Insert the injectors into the fuel rail (D).
  11. Coat new seal rings (E) with clean engine oil, and press them into the intake manifold.
  12. Install the fuel rail in the intake manifold.
  13. Install and tighten the bolts.
  14. Connect the vacuum hose and fuel return hose to the fuel pressure regulator.
  15. Install the connectors on the injectors.
  16. Install the intake manifold and the intake manifold cover (see Intake Manifold Removal and Installation ).
  17. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel pressure in the fuel line rises. Repeat this two or three times, then check for fuel leakage.

Scheme 158

Scheme 158: '02-04 models

Scheme 159

Scheme 159
  1. Relieve the fuel pressure (see «FUEL PRESSURE RELIEVING»(ref-170538-S19161017922005011000000) ).
  2. Remove the intake manifold covers and the intake manifold (see Intake Manifold Removal and Installation ).
  3. Disconnect the connectors from the injectors (A).
  4. Remove the retainer bolts (B) from the fuel rails (C) and harness holders (D), then discard the O-rings (E).
  5. Disconnect the fuel rails.
  6. Remove the injectors from the fuel rails.
  7. Slide new cushion rings (A) onto the injectors (B).
  8. Coat new O-rings (C) with clean engine oil, and put them on the injectors.
  9. Insert the injectors into the fuel rails (D).
  10. Coat new seal rings (E) with clean engine oil, and press them into the intake manifold.
  11. Install the fuel injectors and fuel rails into the intake manifold.
  12. Install and tighten the retainer bolts.
  13. Install the connectors on the injectors.
  14. Install the intake manifold and the intake manifold covers (see Intake Manifold Removal and Installation ).
  15. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for approximately 2 seconds, the fuel pressure in the fuel line rises. Repeat this two or three times, then check for fuel leakage.