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Engine Controls and Fuel - 3.0l or 3.6l - Specifications Cadillac CTS II

Testing & Diagnostics

Temperature Versus Resistance - Engine Coolant Temperature Sensor

Temperature C°/F°	Resistance Minimum Ohms	Resistance Maximum Ohms
Engine Coolant Temperature (ECT)
40/-40	40,490	50,136
20/-4	14,096	16,827
10/14	8,642	10,152
0/32	5,466	6,326
20/68	2,351	2,649
25/77	1,941	2,173
40/104	1,118	1,231
60/140	573	618
80/176	313	332
100/212	182	191
120/248	109	116
140/284	068	074

Temperature Versus Resistance - Intake Air Temperature Sensor

Temperature C°/F°	Resistance Minimum Ohms	Resistance Maximum Ohms
Intake Air Temperature (IAT) Sensor
40/-40	35,140	43,760
20/-4	12,660	15,120
10/14	7,943	9,307
0/32	5,119	5,892
20/68	2,290	2,551
25/77	1,900	2,100
40/104	1,096	1,238
60/140	565	654
80/176	312	370
100/212	184	222
120/248	114	141
140/284	74	93

Altitude Versus Barometric Pressure

Altitude Measured in Meters (m)	Altitude Measured in Feet (ft)	Barometric Pressure Measured in Kilopascals (kPa)	Barometric Pressure Measured in Pounds Per Square Inch (psi)
Determine your altitude by contacting a local weather station or by using another reference source.
4 267	14,000	56-64	8.1-9.3
3 962	13,000	58-66	8.4-9.6
3 658	12,000	61-69	8.8-10.0
3 353	11,000	64-72	9.3-10.4
3 048	10,000	66-74	9.6-10.7
2 743	9,000	69-77	10.0-11.2
2 438	8,000	71-79	10.3-11.5
2 134	7,000	74-82	10.7-11.9
1 829	6,000	77-85	11.2-12.3
1 524	5,000	80-88	11.6-12.8
1 219	4,000	83-91	12.0-13.2
914	3,000	87-95	12.6-13.8
610	2,000	90-98	13.1-14.2
305	1,000	94-102	13.6-14.8
0	0 Sea Level	96-104	13.9-15.1
305	1,000	101-105	14.6-15.2

Ignition System Specifications

Application	Specification
Application	Metric	English
Firing Order	1-2-3-4-5-6
Spark Plug Gap	1.1 mm	0.043 in
Spark Plug Torque	20 N.m	15 lb ft

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Accelerator Pedal Position (APP) Sensor Mounting Nut	9 N.m	80 lb in
Air Cleaner Bolt	9 N.m	80 lb in
Air Cleaner Cover Screw	4 N.m	35 lb in
Air Cleaner Duct Clamps	4 N.m	35 lb in
Barometric Pressure Sensor Bolt	10 N.m	89 lb in
Camshaft Position Actuator Solenoid Valve	10 N.m	89 lb in
Camshaft Position (CMP) Sensor Bolt	10 N.m	89 lb in
Crankshaft Position (CKP) Sensor Bolt	10 N.m	89 lb in
Engine Control Module (ECM) and Bracket Bolt	10 N.m	89 lb in
Engine Control Module (ECM) Electrical Connector Bracket Bolt	10 N.m	89 lb in
Engine Control Module (ECM) Redundant Ground Bolt	10 N.m	89 lb in
Engine Control Module (ECM) Wiring Harness Ground Bolt	5 N.m	44 lb in
Engine Control Module (ECM) Wiring Harness Retaining Bolt	23 N.m	17 lb ft
Engine Coolant Temperature (ECT) Sensor	22 N.m	16 lb ft
Evaporative Emission (EVAP) Canister Nut	6 N.m	53 lb in
Fuel Feed Pipe Bolt	50 N.m	28 lb ft
Fuel Filler Tube Bolt	3.5 N.m	31 lb in
Fuel Filler Tube Brace Bolt	9 N.m	80 lb in
Fuel Filler Tube Hose Clamp	3.5 N.m	31 lb in
Fuel Filter Bracket Bolt	9 N.m	80 lb in
Fuel Filter Outlet Fitting	30 N.m	22 lb ft
Fuel Pipe Shield to Cylinder Head Bolt	10 N.m	89 lb in
Fuel Pipe Shield to Intake Manifold Bolt	23 N.m	17 lb ft
Fuel Pressure Sensor	33 N.m	28 lb ft
Fuel Pump Bolt - High Pressure LLT	15 N.m	11 lb ft
Fuel Pump Bolts	15 N.m	11 lb ft
Fuel Rail Bolt - LY7	10 N.m	89 lb in
Fuel Rail Bolts - LLT
First Pass	12 N.m	106 lb in
Final Pass	23 N.m	17 lb ft
Fuel Rail Crossover Tube Fittings
First Pass	16 N.m	12 lb ft
Final Pass	32 N.m	24 lb ft
Fuel Tank Strap Bolt	50 N.m	37 lb ft
Heated Oxygen Sensor (HO2S)	40 N.m	30 lb ft
Ignition Coil Bolt	10 N.m	89 lb in
Intake Manifold Runner Control Solenoid Bolt	10 N.m	89 lb in
Intermediate Fuel Pipe Fitting
First Pass	16 N.m	12 lb ft
Final Pass	32 N.m	24 lb ft
Knock Sensor Bolt	23 N.m	17 lb ft
MAF Sensor Screw	3.25 N.m	29 lb in
Manifold Absolute Pressure (MAP) Sensor Bolt	10 N.m	89 lb in
Rear Frame Bolt	200 N.m	148 lb ft
Shock Bolt - Lower	90 N.m	66 lb ft
Spark Plug	20 N.m	15 lb ft
Throttle Body Bolt	10 N.m	89 lb in
Throttle Inlet Absolute Pressure Sensor Bolt	3 N.m	27 lb in

Adhesives, Fluids, Lubricants, and Sealers

Application	Type of Material	GM Part Number
Application	Type of Material	United States	Canada
All Purpose Parts Cleaner	Cleaner	12378553	88900920
Anti-Seize Compound	Lubricant	88862477	88862478
Coolant Temperature Sensor Threads	Sealant	12346004	10953480
Engine Oil	5W-30 Oil - Synthetic	Mobil 1	Mobil 1
Fuel Injection Fuel Rail Bolts	Threadlock	12345382	10953489
Intake Air Temperature Sensor Threads	Sealant	12346004	10953480