have a Vortec 350 replace oxygen sensor spark plug wires still have a miss

Asked by Cherdog1027 Aug 07, 2017 at 01:52 PM about the 1998 Chevrolet C/K 1500

Question type: Maintenance & Repair

my 350 not fuel injected and it has
a miss plug firing oxygen sensors
good don't know what else to
check any ideals

60,425

Andrew answered 6 years ago

"Not fuel injected" are you sure? The vortec 350 has a couple problem areas that cause this: vacuum leaks, distributor cap and rotor, sometimes the Spider injector. Unless you have done some modification your truck is fuel injected.

Mark helpful

Cherdog1027 answered 6 years ago

I'm going to check those things out it's not fuel injected how do I check for the vacuum leak

Mark helpful

60,425

Andrew answered 6 years ago

I was trying to say it in a polite way but your not getting it. Your truck is fuel injected. If it's really not fuel injected then try rebuilding the carburator

Mark helpful

kevdog66 answered 6 years ago

there is a spider injector under the intake manifold you can't visibly see.

Mark helpful

Your Answer:

have a Vortec 350 replace oxygen sensor spark plug wires still have a miss 4 Answers

my 350 not fuel injected and it has a miss plug firing oxygen sensors good don't know what else to check any ideals

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have a Vortec 350 replace oxygen sensor spark plug wires still have a miss

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have a Vortec 350 replace oxygen sensor spark plug wires still have a miss

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