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David H
David H, GM master certified
Category: Chevy
Satisfied Customers: 2669
Experience:  Cadillac Technician 18 years cadillac dealer.ase master certified.gm master certified
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just replaced chevy 4.3 spider injectors set check engine light

Resolved Question:

just replaced chevy 4.3 spider injectors set check engine light came on before but went off now it comes on and off and never stops took battery cable off for 30 minutes back on and now it idles a little rough not like it use to after warming up and the reason i put the injectors on in the 1st place is it wouldnt start some days and somedays it wout and it sputterd till it warmed up ! ive replace fuel pump tune up cam sensor injectors with preasure ruglator and now the light comes on and off continuosly?
Submitted: 3 years ago.
Category: Chevy
Expert:  David H replied 3 years ago.
Have you had the trouble code for the check engine light retrieved?
Customer: replied 3 years ago.

no it just goes on and off im going to auto zone tommorrow and get the code if its a multi misfire im gona get my gun out and i wont have a misfire anymore! he he just messing but when i replace the spider injectors and the presureregulator i didnt replave the rubber gasket around the

 

Expert:  David H replied 3 years ago.
Reply back when you have the code.
Customer: replied 3 years ago.
ok i will but you havent been helpful yet ill get back ith about the code ,but if i didnt replace the rubber gasket below the pleum or manifold that covers the spider injectors then i would have the preasure that i should and it would get that reading or check engine light cause i have replace the fuel pump and the fuel filter so im getting closer to the source i hope and i havent driven the truck over 15 miles so maybe it just needs to reprogram itself and the check engine light wil go oof thats waht im hoping thank you and once i get that code ill get back with you!
Expert:  David H replied 3 years ago.
If you did not replace the rubber seals on the plenum then that could cause a vacuum leak. this would cause a rough idle and codes p0174 and p0171.These are codes for lean fuel mixture detected.
David H, GM master certified
Category: Chevy
Satisfied Customers: 2669
Experience: Cadillac Technician 18 years cadillac dealer.ase master certified.gm master certified
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David H
David H
Chevy Mechanic
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Cadillac Technician 18 years cadillac dealer.ase master certified.gm master certified