Engine degrading

[georgem37303]

Originally Posted by Clay L

There is a module that the pedal assembly connects to. It is a lttle to the left and above the pedal assembly by maybe ten inches. It is mounted on a support bracket hat comes down from above and as I recall ends on the steering wheel shaft tube. That module processes info and sends it to the module and throttle asembly mounted on the top of the throtle body injector assembly.
I replaced the module at the same time as the pedal assembly.

Can you tell me the cost of the modules and where do you get them. I am getting the P1516 code but clearing it doesn't solve the problem. Something needs to be replaced.

[Clay L]

Originally Posted by georgem37303

Can you tell me the cost of the modules and where do you get them. I am getting the P1516 code but clearing it doesn't solve the problem. Something needs to be replaced.

I had a local WH shop order them and they were expensive.
I don't remember the exact cost now but I think the two accelerator module were around $400 for the pair.
I thought the TBI throttle position activator and sensor was about $500 but another posted said above he got it for $350.
It guess I get so upset with the costs that I block out the prices.

[georgem37303]

Originally Posted by Clay L

I had a local WH shop order them and they were expensive.
I don't remember the exact cost now but I think the two accelerator module were around $400 for the pair.
I thought the TBI throttle position activator and sensor was about $500 but another posted said above he got it for $350.
It guess I get so upset with the costs that I block out the prices.

Thanks for the info. I would pay $500 to solve this problem and not fear breakdown on the road

[jeepfreak]

Those parts must be used on other vehicles. Would they be a GM part? So much of WH stuff is GM you would think they might have the parts. Any good GM parts guys out there?

[Dmorgan6375]

Yes, ASE Cert. and all that as well, but i have been away from it about 4 years now. If i'm correct, i think the 8.1 was offered in a 2500 & 3500 PU's till around 04 or 05. More motor than the truck needed for sure. As to the parts mentioned above, there is also aftermarket suppliers, AKA- Autozone, Advanced, O'Reilys, Carquest, Napa,Ect....

[lemosley01]

Originally Posted by Dmorgan6375

Yes, ASE Cert. and all that as well, but i have been away from it about 4 years now. If i'm correct, i think the 8.1 was offered in a 2500 & 3500 PU's till around 04 or 05. More motor than the truck needed for sure. As to the parts mentioned above, there is also aftermarket suppliers, AKA- Autozone, Advanced, O'Reilys, Carquest, Napa,Ect....

Correct - the 2500 series could get the same 8.1l engine. When I replaced plug wires on my 2006 Samba just a few months ago, I had AutoZone look up wires for a 2500 8.1l.

I found this bulletin for 5.3l and 6.0l engines with p1516, but I wouldn't be surprised if it applies to 8.1l as well. Note the bulletin indicates that improper grounds for towing can cause this.

P1516 Chevrolet Throttle Actuator Control Module Throttle Actuator Position Performance OBDII Engine Light Trouble Code | Engine-Codes.com