choking and wont rub

Asked by Dec 27, 2015 at 02:41 AM about the 1996 GMC Sierra 1500 C1500 SL Extended Cab SB

Question type: Maintenance & Repair

I changed my fuel pump & injectors on my 96 sierra 5.7
then i did a rebuild and cammed now when i turn it on and
accelerate it chokes and wont run at all. What might the
problem be??

2 Answers

22,695

It MIGHT be that the electronic engine controls are not programmed to run that new cam- this isn't the old days when you could throw a cam into a V8 and the carb would just throw gas down into it-

72,155

You will either need a chip, or have the OBDII reprogrammed to your motor specs.

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