× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Chevrolet Astro 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 11/12/2007 16 Replies

Hey GM guys, need some help here. Vehicle came to us from another shop to start off with. To start we Checked computer codes: po300=random cylinder misfire. watched misfire pattern and noticably missing at idle on cylinder #2. The higher the rpms it moves comp...

16 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Astro

VIN 1GCDM19WXW
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CONVERTED TO MULTI-PORT FI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Under Load, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Astro

VIN 1GCDM19WXW
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CONVERTED TO MULTI-PORT FI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Under Load, Idle

Trouble Codes

P0300Multiple Misfire Detected