|
1994 Buick Roadmaster Limited 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
it's got us stumped. it starts fine cold but when run for a few minutes at [...] rpm it gets worse. idle quality sucks,misfires under load, underhard acceleration it pops slightly through the intake. we changed the left cat. because at first it seemed to run l...
FIX posted 7/25/2003
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
Related Documents & Media | VIN | 1G4BT52P4R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBDI AIR/EGR/TWC/HO2S |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
| Occurs | Hot, Under Load |
Trouble Codes
| 18 | self inflicted from unplugging ijectors while running |
Message Closed
Vehicle Data
1994 Buick Roadmaster Limited
| VIN | 1G4BT52P4R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBDI AIR/EGR/TWC/HO2S |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
| Occurs | Hot, Under Load |
Trouble Codes
| 18 | self inflicted from unplugging ijectors while running |
Video