2000 Pontiac Bonneville SE 3.8L Poor Fuel Economy
Customer brought this car in with the complaint that the fuel milage dropped from 30 mpg to 20 mpg. He changed plugs and cleaned the MAF sensor with no improvment. All the codes I found were history codes. No current codes. On my test drive long term and short...
FIX posted 3/23/2009
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Vehicle Data2000 Pontiac Bonneville SE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2000 Pontiac Bonneville SE
VIN | 1G2HX54K8Y |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Trouble Codes
P1602 | PCM Not Programmed |
P1626 | Theft Deterrent System Fuel Enable Circuit Malfunction |
P1811 | Maximum Adaptive & Long Term Shift |