
1997 Chevrolet Astro 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on
Scope checked crank sensor and ignition module, both ok. Checked cat back pressure and its good. Fuel pressure is right on. Seems to be worse in damp weather but I cant find anything when spraying with water. What am I missing ?
FIX posted 11/16/2006
![]()
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 (View Replies)21 Replies Received(Hide Replies)21 Replies Received
|
Message Closed w/FIX
|
VIN | 1GNDM19W4V |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Under Load, on Accel, Rain |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet Astro
VIN | 1GNDM19W4V |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Under Load, on Accel, Rain |
Trouble Codes
P0300 | Multiple Misfire Detected |