|
1994 Buick LeSabre Custom 3.8L Spark Knock
This car has a severe spark knock on acceleration. Engine has been decarbonized. Coolant mixture is 50% (-34°). Linear EGR valve has been tested and is working. Knock sensor is recognizing the ping and the PCM is retarding timing about 4-5°. EGR passages are o...
Summary posted 5/18/2004
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 6 Replies Received (View Replies)6 Replies Received (Hide Replies)
|
Message Closed w/Summary
|
6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1G4HP52LXR |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Symptoms | Spark Knock |
| Occurs | On Accel |
Message Closed w/Summary
Vehicle Data
1994 Buick LeSabre Custom
| VIN | 1G4HP52LXR |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Symptoms | Spark Knock |
| Occurs | On Accel |
Video