Hi there,bought a chevy silverado '91,got a problem with ...

Hi there,bought a chevy silverado '91,got a problem with it ,don't idle well but runs goodd sometimes Mechanic's Assistant: How many miles are on the Chevy? What size is the [engine](/topics-engine-chevy/)? Engine 4.3 L V...

Hi there,bought a chevy silverado '91,got a problem with it ,don't idle well but runs goodd sometimes Mechanic's Assistant: How many miles are on the Chevy? What size is the [engine](/topics-engine-chevy/)? Engine 4.3 L V6 ,miles teller defect Mechanic's Assistant: What is the model/year of your Chevy? 1991 Silverado Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? I have change ,Idle contr, valve,sparkplug cables,coil ,mop sensor pending to change tps sensor

Automotive Expert
Hello there and thank you for contacting JustAnswer, I’ll do my best to help you out solve this issue, did you check for any vacuum leaks?

i find one ,and did resolv it
Automotive Expert
does idle high or low?

it iddle low ,but sometimes hight,and i smell fuel also
Automotive Expert
Have checked your sensors o2 sensor?

not yetcould it be o2 sensor?
Automotive Expert
Possibly because you’ve done everything I can think of.

what about the injectors? is it posible that they are thirtty
Automotive Expert
That could be it also try injectors cleaner.

okwhat else could cause me that problem
Automotive Expert
Sometimes scanners can diagnose if they are bad.Injectors

ok, so there is nothing else that ccould be the problem
Automotive Expert
I would start there and hopefully this solves it.

ok ,thx
Automotive Expert
You’re welcome.

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