
1991 Pontiac Firebird 3.1L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Need help on this one. This should be easy. 1991. customer came in for rough idle. check out and found emissions very high, 8% co. check fuel pressure, in spec. check fuel regulator vacuum line,no fuel. computer was very hot to the touch so I replaced it with ...
FIX posted 2/25/2004
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VIN | 1G2FS23T5M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / pfi |
Emissions | ca emission |
Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
Occurs | Cruise, Idle |
Trouble Codes
45 | rich condition |
Message Closed w/FIX
Vehicle Data
1991 Pontiac Firebird
VIN | 1G2FS23T5M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / pfi |
Emissions | ca emission |
Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
Occurs | Cruise, Idle |
Trouble Codes
45 | rich condition |