2001 Tahoe Blinking Check Engine Light?
- Thread starter Justin509
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SunlitComet
OBS Jedi-Do Good
there iridium for 2001 look like this:
---------- Post added at 09:07 PM ---------- Previous post was at 09:06 PM ----------
BTW, why is there a hole in the throttle plate?
---------- Post added at 09:07 PM ---------- Previous post was at 09:06 PM ----------
BTW, why is there a hole in the throttle plate?
SunlitComet
OBS Jedi-Do Good
I think someone just replaced them with the wrong ones.
Thumper8302
Full Access Member
damn.. that throttle body was nasty as hell... im pushin 240xxx on mine and ive only cleaned mine with a tooth brush and a rag with it still on the motor.... kinda been leery on yankin it and actually CLEANIN it... was it a pain gettin the butterfly out? and how much of a pain was it installin it back to the manifold?
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Justin509
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I put autolite xp iridium plugs back in. As far as the plugs being factory that's what it's looking like. They are acdelco ngk pztr5a and are long gone! Lol... As far as cleaning the tb while it was still bolted up I didnt want dirt and gunk travel down stream to my injectors. After I cleaned that I pulled both fuel rails and made a little home made injector cleaning setup. And I'm on my last injector... Ill put it all back together and see how it runs. If it still running bad then I guess it's gonna be one of the coils.
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Justin509
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This is the home made setup I made to clean the injectors.. Dont laugh lol it works..
---------- Post added at 10:28 PM ---------- Previous post was at 10:24 PM ----------
O and after all the injectors were cleaned and put back in it still is missing! so I will be getting it on a scanner in the morning to see what is exactly going on.
---------- Post added at 10:28 PM ---------- Previous post was at 10:24 PM ----------
O and after all the injectors were cleaned and put back in it still is missing! so I will be getting it on a scanner in the morning to see what is exactly going on.
Diggerdan11
Full Access Member
The same exact thing just happend to me this last weekend. The week before the CEL came on on the Tahoe so I went to o'reilly's and borroed there Scanner and it showed the P0420 and P0430 codes which are Catalyst efficency belwo threshold. I figured it would not be that big of a deal to drive it for a couple weeks till i could get it figured out. Well i attempted to accelerate up a hill and the truck lost power the RPMs started to bounce and the CEL started flashing. I took it right back to O'reilly's and it showed a code saying there was a missfire. I have read that a clogged Cat could definetly cause a problem within the Cylinders and a missfire because the gas has not where to escape.
Its strange that the scanner did not show a code. I went to Autozone to use there scanner and it would not connect to my tahoe for some reason. you may want to go to another auto place and seem if they have a better scanner
BTW what part of Oregon did you go to?
Its strange that the scanner did not show a code. I went to Autozone to use there scanner and it would not connect to my tahoe for some reason. you may want to go to another auto place and seem if they have a better scanner
BTW what part of Oregon did you go to?
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SunlitComet
OBS Jedi-Do Good
Diggerdan11
Full Access Member
yeah i know, bad.
Im going to get them in a few more weeks. Im getting maried in a couple weeks so im going to try to wait until after that to do it, since im going to replace them myself. For now my Fiance is only allowed to drive it to and from work which is about a mile and a half each way.
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