Why does my dash say reduced engine power?
“Reduced Engine Power” Message In most cases, the Engine Power Reduced warning indicates that your car’s performance has been intentionally limited. Your car’s primary computer, often known as the powertrain control module (PCM), triggers Reduced Power Mode when it detects a system failure.
Can catalytic converters cause reduced engine power?
It is possible that the catalytic converter is clogged causing a lack of power in the car. Reduced engine power. Check the wiring to the throttle pedal position sensor on the gas pedal and see if there is a loose or broken wire in the pig tail.
Can low gas cause reduced engine power?
Poor fuel quality is the foundation of most problems with the fuel system and will of course cause reduced engine power.
When does a cat C7 lose its power?
My C7 has plenty of power until the engine temp reaches 150 degrees. Then it experiences the power loss. Runs like a bat out hell until it comes out of cold mode.
Is there a GMC parts service for the C7500?
Fixed all above and she now runs like a top. Finfur–For your future reference there is joint reciprocity between Chevy and GMC at the 6500-8500 segment.You should have gotten the complete national dealer network with the truck. The trucks not under warranty and we don’t have a medium Chevy/GMC parts service dealer in our region.
What should I do about my C7500 diesel engine?
HAS HARNESS RUBBING ON AIR FILTER PIPE.HAS HARNESS RUBBING ON AC LINE.NEEDS HARNESS REPAIRS DONE AND INJECTORS RECHECKED. EVEN AFTER HARNESS REPAIR MAY STILL NEED INJECTORS. ESTIMATE TO FOLLOW.
Why is my cat C7 in cold mode?
Somethings going on when it come out of cold mode. You most likely need a set of injectors. If your high pressure pump was replaced due to failure, then it may have contaminated the injectors. The injector map is in cold mode (rich) until 165 deg.