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10-22-2014, 02:04 PM | #1 | |
AF Newbie
Join Date: Oct 2014
Location: Commerce city, Colorado
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85 monte 4.3 erratic idle
so I swapped my old 4.3 for one out of a 86 chevy blazer. the motor ran great in the blazer but after getting everything hooked up I get erratic idling and poor response from the car. throttle body is new as well any ideas where to start?
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10-22-2014, 06:11 PM | #2 | |
A990 racer
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Re: 85 monte 4.3 erratic idle
Look for vacuum leaks and an egr valve not seating closed.
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sinful85 (10-22-2014)
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10-22-2014, 10:36 PM | #3 | |
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Re: 85 monte 4.3 erratic idle
Thank bud I'll give that a try I noticed the sensor for the egr broke any clue where I can get a new sensor
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10-23-2014, 07:40 AM | #4 | |
A990 racer
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Re: 85 monte 4.3 erratic idle
Try napa or a dealer.
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