Contents Section: Feedback Carburetor Tests W/codes All sections

CODE 51: PROM ERROR INDICATION Pontiac Grand Prix IV

Feedback Carburetor Tests W/codes 4 illustrations ~105 words

CODE 51: PROM ERROR INDICATION

PROM is either installed incorrectly, defective, or the wrong part number. Check for proper installation and application. If installed properly, but code 51 is still present, PROM is defective and must be replaced.

Code 54: Constant High Voltage From M/C Solenoid To ECM Flow Chart. Scheme 183

Scheme 183: Code 54: Constant High Voltage From M/C Solenoid To ECM Flow Chart

Code 54: Constant High Voltage From M/C Solenoid To ECM Flow Chart. Scheme 184

Scheme 184: Code 54: Constant High Voltage From M/C Solenoid To ECM Flow Chart

Code 55: O2 Ckt Volt Hi Or Wrong, Volt On ECM Term. 21 Flow Chart. Scheme 185

Scheme 185: Code 55: O2 Ckt Volt Hi Or Wrong, Volt On ECM Term. 21 Flow Chart

Code 55: O2 Ckt Volt Hi Or Wrong, Volt On ECM Term. 21 Flow Chart. Scheme 186

Scheme 186: Code 55: O2 Ckt Volt Hi Or Wrong, Volt On ECM Term. 21 Flow Chart