Service Engine light with no codes
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Senior User
Joined: Aug 2007
Posts: 321
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From: Albuquerque, New Mexico
Service Engine light with no codes
Backstory, just replaced fuel injector cups last night and everything went well. I drove it around alot last night to clean it out abit and again nothing was wrong. I got into the truck this morning and started it up and the service engine light came on then went off in less than ten seconds. On my way to work about 15 min the light came on and off 20 times. When i got to work i tried to pull codes and there was none in the computer. I am stumped could it possibly be a loose wire on the UVC?
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Originally Posted by WonderDonkey
Just a cheap one from auto zone, my buddy who helped me has a pda that reads all of those codes i should prob get with him.
Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
Likes: 2
From: Concord NC
Could be several things, considering how many connections you had unplugged. It probably will be simple once you figure out what is causing the SES. If the light comes on, a code is there. You just need to find some way to check it.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Originally Posted by zx250
If the light comes on, a code is there.
I'd start by double checking for any loose connections you were working around. If that doesn't work I'm sure someone here can help you out if you keep us up to date on what you've tried so far.
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