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1991 Pontiac Firebird 3.1L #4 Cyl
This one has me stumpted,engine runs rough,cyl balance 0 rpm drop on number 4 cyl all other cyl's are ok. As stated compression test on #2 145 psi #4 155 psi #6 140psi All new injectors, replaced cyl#4 injector 3 times. Noid light shows good signel on all inje...
FIX posted 10/18/2011
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 1G2FS23TWM |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection |
| Affected | #4 Cyl |
| Conditions | #4 Cyl Dead Hole |
| Misc. | 2D |
Message Closed w/FIX
Vehicle Data
1991 Pontiac Firebird
| VIN | 1G2FS23TWM |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection |
| Affected | #4 Cyl |
| Conditions | #4 Cyl Dead Hole |
| Misc. | 2D |
Video