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09-08-2004, 12:27 AM
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#1 | |
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Car Fanatic
CF Senior Member
Join Date: Jul 2002
Posts: 2,568
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95 s-10 blazer idles erratic
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09-08-2004, 04:29 AM
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#2 |
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Posts: n/a
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Re: 95 s-10 blazer idles erratic
Sounds like a vacuum leak..this is the 4.3 with the TBI setup correct...Its probably going to be one of the main vacuum lines in the front.
Another thing...tap the IAC with a wrench or something like that and see if the idle smooths out... |
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09-08-2004, 06:06 AM
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#3 |
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Car Fanatic
CF Senior Member
Join Date: Sep 2003
Location: Toledo, Ohio
Posts: 2,110
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Re: 95 s-10 blazer idles erratic
if that doesnt work . . .  check the second 02 sensor
Your not throwin any codes are you?    ( check engine light on?)
__________________
1991 Eagle Talon Tsi AWD Big 16g turbo (woopty freakin doo) Bigger injectors with NO TUNING!! AMAZING!! MAFT on the way, as well as either an equal length tubular header or a slowboy racing manifold. |
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09-08-2004, 09:07 AM
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#4 |
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Posts: n/a
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Re: 95 s-10 blazer idles erratic
The 02 sensor wont cause an irratic idle, just a decrease in fuel mileage..maybe running rich at idle.
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09-08-2004, 09:59 AM
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#5 |
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Car Fanatic
CF Senior Member
Join Date: Sep 2003
Location: Toledo, Ohio
Posts: 2,110
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Re: 95 s-10 blazer idles erratic
My second o2 sensor is bad. .   and  it idles hella low. . . like  everywhere from 750 to 250. . .         just a suggestion
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09-09-2004, 06:12 AM
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#6 |
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Car Fanatic
CF Senior Member
Join Date: Aug 2004
Posts: 737
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Re: 95 s-10 blazer idles erratic
Yeah id agree but i dont even know where the o2 sensor is
and please dont bother explaining it
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09-09-2004, 07:22 AM
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#7 |
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Posts: n/a
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Re: 95 s-10 blazer idles erratic
2nd 02 sensor....as in the one after the catalytic converter..that only tells the computer if the catalytic converter is there and is doing its job..has nothing to do with a/f ratio control or any actual engine function.
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