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paulj1
Novice
Nov 18, 2015, 11:18 AM
Post #1 of 6
(1244 views)
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I have a 97 Chevy z71. Just recently it started dying out when coming to a stop or starting slow from a stop. Could this be fuel pump or electrical. Cranks just fine and doesn't do it it all the time. Please put me on the right path.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 18, 2015, 11:46 AM
Post #2 of 6
(1238 views)
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Re: Trouble idling.
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Check engine light on? If so, what trouble code(s) is stored. Write down the numbers.
If suspect fuel pressure, install a fuel pressure gauge and monitor fuel pressure when the problem occurs. That will tell you if it is a fuel delivery issue or another problem.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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paulj1
Novice
Nov 18, 2015, 11:52 AM
Post #3 of 6
(1233 views)
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Re: Trouble idling.
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not throwing check engine light.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 18, 2015, 12:05 PM
Post #4 of 6
(1228 views)
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Re: Trouble idling.
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You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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paulj1
Novice
Nov 18, 2015, 12:38 PM
Post #5 of 6
(1220 views)
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Re: Trouble idling.
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Ok I will try that first. Is there a way to see if sensor is bad or not?
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 18, 2015, 1:12 PM
Post #6 of 6
(1216 views)
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Re: Trouble idling.
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It's not a sensor, it's an actuator and you have to get everything else clean and working first.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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