× 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
1999 Chevrolet Tahoe LS 5.7L Misfire, MIL Lamp on
Posted to GM Driveability on 9/12/2005 9 Replies

Thanks in advance for your help! This vehicle came to us 6 months ago with a P0300. This is the first one we ever converted from csfi to mfi per factory tsb [...]. We keep geting a P0300 after customer pulls a steep hill under load. We have replaced cap, rotor...

9 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Tahoe LS

 
Message Closed

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI CONVERTED TO MFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI CONVERTED TO MFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0300Multiple Misfire Detected