× 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
1993 GMC K1500 Sierra SLE 5.7L No Start, MIL Lamp on
Posted to GM Driveability on 9/17/2008 4 Replies

This truck will run good sometimes and sometimes not, we have found a pattern to this madness, but dont have a clue on how to fix it. We have replace the ecm, and and the coolant sensor, on the manifold, replaced the rear engine ground, removed the front groun...

4 Replies Received (View Replies)

  Related Documents & Media  1993 GMC K1500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

1993 GMC K1500 Sierra SLE

VIN 2GTEK19K5P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsNo Start, MIL Lamp On
OccursHot

Trouble Codes

14temp signal shorted or low
54fuel pump relay circuit
Message Closed w/FIX

car Vehicle Data

1993 GMC K1500 Sierra SLE

VIN 2GTEK19K5P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsNo Start, MIL Lamp On
OccursHot

Trouble Codes

14temp signal shorted or low
54fuel pump relay circuit