hmm, any codes show up ??? there is one thing , the cam sensor in the distributor, the cam sensor adjusts fuel for each cylinder, its more like ia timing device , if it goes bad it has a one in six chance of fueling the correct cylinder , fuel pressure sounds good

how long since the plugs have been replaced

let me know jim

Answered by CHEVYII
5 questions asked

a p1351 code showed up? it came up as " IC CIRCUT HIGH VOLTAGE" i cleared it and it didnt come back. the plugs looked okay- i'll pick a set up just to be sure, but i dont think that is the problem. is the cam sensor in the distributor or in the engine block? thanks for the advise!! any info is much appreciated!!!! :D

Response from tennykimble
1 question asked

the cam sensor is under the rotor , the ic code directly effects your symptoms and it wont come back until the vehicle is running , it is located next to the coil its actually called ignition control module and it works off the crank sensor , if someone close has a truck with a 4.3 96 and up would work , swap one out just to test it

hope this helps

jim

oh the gm plugs are a must , i used to have customers come in with random misfires right after replaing their plugs and we put delcos back in and wham its good so i swear by them

Answered by CHEVYII
5 questions asked

My 2000 Sierra 4.3 has the same problem.

Have you fixed yours? If so, what was it?

Mine is down and I am running out of money!

Answered by jboyd103
1 question asked

Iwas running ok then it would die and start right back up till finally it started no more. I have spark fuel system is all good getting the backfire through the throttle body. I am strongly thinking its the timing chain going to take it off and check the alignment but I replace alot of stuff and a know go even disconnected the exhaust thinking stopped up cat convertor no go there but it will take me a few days so I'll try and keep you informed

Answered by kirbster269
1 question asked