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Old 06-13-2010, 08:54 AM
jmfp702 jmfp702 is offline
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whats the idle problem with tbi
i have a rough idle and stalling when i push the gas? i have replaced all vacume lines, i replaced the tps sensor, and i also replaced the iac?, what else could cause these issues?
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Old 06-13-2010, 09:59 AM
jdl jdl is offline
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Re: whats the idle problem with tbi
What is year of vehicle, engine size? Any applicable trouble codes? Maybe an ignition misfire?
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Old 06-13-2010, 10:00 AM
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MT-2500 MT-2500 is offline
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Re: whats the idle problem with tbi
Quote:
Originally Posted by jmfp702 View Post
i have a rough idle and stalling when i push the gas? i have replaced all vacume lines, i replaced the tps sensor, and i also replaced the iac?, what else could cause these issues?
Year make and model and engine?

What is the engine vacumn reading idle and speeded up?
Any cylinders missing?

Is EGR valve stuck open or has a carbon ball stuck in plunger?
PCV valve?
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