Check engine light

[Rakan454ss]

I've got a problem with my c1500 91' ,
The proplem is when I press too hard on the engine , check engine light turns on and the truck start to idel poorly , but when i shut the truck down and start it again the light turns off and everything thing seems to be ok ... Its 350 700r4 btw

 

[VCaddy]

Pull the code - http://www.obd-codes.com/faq/read-gm-2-digit-obd-codes-free.php

 

[Rakan454ss]

Pull the code - http://www.obd-codes.com/faq/read-gm-2-digit-obd-codes-free.php

Thanks man , i got codes : 24 , 35 , 43 .

 

[Rakan454ss]

Sorry , 34 NOT 35

 

[VCaddy]

OBD I code list - http://www.gearhead-efi.com/Fuel-Injection/showthread.php?303-16197427-PCM-Information-0D&p=2613&viewfull=1#post2613

Looks like you have an assortment of bad sensors. TPS would be a likely culprit. They are not too hard to test if you have a multimeter. Code 43 is for the knock sensor, a failed one will mess up your timing tables.

 

[Rakan454ss]

All sensors replaced, no CEL , thnx man