|
1991 Pontiac Firebird 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy
car came in with rough idle complaint all the time ,cap was lead tracking and cracked, 2 plug wires shorting to grd, 5 of 8 injs very low resistance or shorted, fuel psi 41 idling with fuel reg connected, after all these repairs car still has a lean misfire , ...
FIX posted 6/21/2006
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 9 Replies Received (View Replies)9 Replies Received (Hide Replies) |
Message Closed
|
9 Replies Received
9 Replies Received
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tuned port injected |
| Emissions | calif emissions |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy |
| Occurs | Always, Hot, Under Load, on Accel, Idle |
Message Closed
Vehicle Data
1991 Pontiac Firebird
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tuned port injected |
| Emissions | calif emissions |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy |
| Occurs | Always, Hot, Under Load, on Accel, Idle |
Video