Idle Issue -Thoughts?
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Junior Member
Joined: Aug 2008
Posts: 42
Likes: 0
From: Colchester,VT
Car: 91 Firebird Formula 350
Engine: TPI 350
Transmission: 700r4
Axle/Gears: 3:23
Idle Issue -Thoughts?
Hey Guys
I just went thru my whole motor and replaces every sensor and hose on it jsut for good measures.
When i drive my car, its drives fine then it starts to jump up and down 100rpm. I changed the IAC and Checked the TPS aswell.
My car has 104k on it. I have yet to change the fuel filter. I was thinking that maybe i have a bad fuel injector or 2. there is a few that have a high pitch noise comming from then when the car is running. Im not up to speed on FI so yeah.
Is it common for Injectors to go bad.? Ive put in cleaner, and run high test.
Thanks for the help
I just went thru my whole motor and replaces every sensor and hose on it jsut for good measures.
When i drive my car, its drives fine then it starts to jump up and down 100rpm. I changed the IAC and Checked the TPS aswell.
My car has 104k on it. I have yet to change the fuel filter. I was thinking that maybe i have a bad fuel injector or 2. there is a few that have a high pitch noise comming from then when the car is running. Im not up to speed on FI so yeah.
Is it common for Injectors to go bad.? Ive put in cleaner, and run high test.
Thanks for the help
Senior Member
iTrader: (1)
Joined: Jul 2007
Posts: 1,141
Likes: 2
From: MA
Car: '87 IROC/'68 SS
Engine: 5.7L/350
Transmission: 700R4/Muncie 4-spd
Axle/Gears: 3.27 9 bolt / 3.31 12 bolt
Senior Member
Joined: Mar 2008
Posts: 428
Likes: 0
From: nj
Car: 89 iroc
Engine: l98
Transmission: tremec
Re: Idle Issue -Thoughts?
Hey Guys
I just went thru my whole motor and replaces every sensor and hose on it jsut for good measures.
When i drive my car, its drives fine then it starts to jump up and down 100rpm. I changed the IAC and Checked the TPS aswell.
My car has 104k on it. I have yet to change the fuel filter. I was thinking that maybe i have a bad fuel injector or 2. there is a few that have a high pitch noise comming from then when the car is running. Im not up to speed on FI so yeah.
Is it common for Injectors to go bad.? Ive put in cleaner, and run high test.
Thanks for the help
I just went thru my whole motor and replaces every sensor and hose on it jsut for good measures.
When i drive my car, its drives fine then it starts to jump up and down 100rpm. I changed the IAC and Checked the TPS aswell.
My car has 104k on it. I have yet to change the fuel filter. I was thinking that maybe i have a bad fuel injector or 2. there is a few that have a high pitch noise comming from then when the car is running. Im not up to speed on FI so yeah.
Is it common for Injectors to go bad.? Ive put in cleaner, and run high test.
Thanks for the help
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