2003 7.3 CPS

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Apr 30, 2019 | 06:42 AM

Lockholder

Thread Starter

Laughing Gas

Joined: Aug 2017

Posts: 906

Likes: 37

2003 7.3 CPS

I replaced my CPS a few months ago. Had no issues and then it snowed and had a few issues with the truck shutting off and CEL and s code then it all stopped. Now it’s raining and I got a CEL code and the jerks. so it only happens during bad weather lol. Should I just replace it again.

Apr 30, 2019 | 07:12 AM

Walleye Hunter

Hotshot

Joined: Mar 2014

Posts: 10,750

Likes: 1,065

From: Douglassville, PA

Do you have water intrusion at the fuse box? Did you use OEM CPS to start with? If you used aftermarket I'd change to OEM.

Apr 30, 2019 | 07:48 AM

Colorado350

Postmaster

Joined: Nov 2015

Posts: 4,807

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From: Colorado Springs

Quote:

Originally Posted by Walleye Hunter

Do you have water intrusion at the fuse box? Did you use OEM CPS to start with? If you used aftermarket I'd change to OEM.

X2. I would bet that you have a leak at your windshield seal.

May 1, 2019 | 04:32 PM

Brother Les

Cargo Master

Joined: Oct 2007

Posts: 2,712

Likes: 107

From: BoCoMo

Quote:

Originally Posted by Lockholder

Had this happen to me a few years back. Drove through a large puddle of water in the rain and truck shut off. It was the CPS.... The CPS was not 'bad', but moisture was finding it's way in and shutting the truck off. Unplug the CPS and take it out. Clean everything up on CPS and Connections and seal everything well with Dielectric grease. Connections tight and CPS sealed and tight. keep moisture out. I have had no more 'shut downs'.