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1988 Cadillac Seville 4.5L Cuts out, MIL Lamp on, backfires
Posted to GM Driveability on 1/24/2005 17 Replies

I fixed the mil light by replacing the mat sensor, after letting the car run in the shop for a while with no problems i went for a test drive and found out after a mile or two the car starts to cut out and backfire on multiple cylinders badly, ok off the gas a...

17 Replies Received (View Replies)

  Related Documents & Media  1988 Cadillac Seville

 
Message Closed w/FIX

car Vehicle Data

1988 Cadillac Seville

VIN 1G6KS5156J
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / central type injection
Emissionscalifornia
SymptomsCuts Out, MIL Lamp on, Backfires
OccursHot, Under Load, Intermittently
Misc.California Emissions

Trouble Codes

P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage
P0038Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

1988 Cadillac Seville

VIN 1G6KS5156J
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / central type injection
Emissionscalifornia
SymptomsCuts Out, MIL Lamp on, Backfires
OccursHot, Under Load, Intermittently
Misc.California Emissions

Trouble Codes

P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage
P0038Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage