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Joined: Nov 2005
Posts: 410
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Posts: 410 |
My 95 Zetec 2.0 won't idle worth anything.
I've cleaned the IAC,MAF and replaced the PCV. Both were in good shape.
Also the plugs,wires and coil are new. Took it into my Tech's garage and he checked it for vacuum leaks, the EGR & solonoid and put it on the scope - nothing. There was never a CEL light through this whole thing anyway.
The timing belt is new.
The car runs great while driving it. Lots of pick up,no hesitation. The gas milage is poor.
He performed a fuel system flush/check yesterday -$89.
Any ideas? I'm running out of them here.
Thanks.
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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Joined: Aug 2003
Posts: 1,017
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Aug 2003
Posts: 1,017 |
try replacing the IAC, cleaning sometimes doesn't do the trick, or at least try cleaning again
1995 SE
2.5L V6/MTX
187k
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Joined: Nov 2005
Posts: 410
CEG\'er
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OP
CEG\'er
Joined: Nov 2005
Posts: 410 |
When I had the IAC off the first time, I should have put 12volts to it.
I might check the intake for a gasket leak?
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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Joined: Jun 2005
Posts: 5,345
Addicted CEG\'er
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Addicted CEG\'er
Joined: Jun 2005
Posts: 5,345 |
Originally posted by SquareHead:
..
He performed a fuel system flush/check yesterday -$89.
....
Did that include a new fuel filter and a bottle of HEET or gas stabilizer in the fuel tank?
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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Joined: Nov 2005
Posts: 82
CEG\'er
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CEG\'er
Joined: Nov 2005
Posts: 82 |
Originally posted by SquareHead:
My 95 Zetec 2.0 won't idle worth anything.
I've cleaned the IAC,MAF and replaced the PCV. Both were in good shape.
Also the plugs,wires and coil are new. Took it into my Tech's garage and he checked it for vacuum leaks, the EGR & solonoid and put it on the scope - nothing. There was never a CEL light through this whole thing anyway.
The timing belt is new.
The car runs great while driving it. Lots of pick up,no hesitation. The gas milage is poor.
He performed a fuel system flush/check yesterday -$89.
Any ideas? I'm running out of them here.
I'll bet the cams weren't checked when the belt was changed.
My intake cam was advanced, maybe 5-10 degrees. Ran good, but it wasn't on the money.
95 Contour, 2.0L, stick, 178K mi.
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Joined: Nov 2005
Posts: 410
CEG\'er
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CEG\'er
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Posts: 410 |
I replaced the fuel filter about 2 months ago.
I've never used the "HEAT" product before. What does it do?
I borrowed the Ford cam alignment tool when I changed the belt.
If the timing was off, it should run poorly always.
If a fuel injector was going bad, would the CEL light come on?
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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Joined: Oct 2003
Posts: 5,143
Addicted CEG\'er
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Addicted CEG\'er
Joined: Oct 2003
Posts: 5,143 |
Originally posted by SquareHead:
I replaced the fuel filter about 2 months ago.
I've never used the "HEAT" product before. What does it do?
I borrowed the Ford cam alignment tool when I changed the belt.
If the timing was off, it should run poorly always.
If a fuel injector was going bad, would the CEL light come on?
probably would throw a lean code.
98 Corolla LE 1.8L DOHC 1ZZFE
TEIN H.Tech Springs
Tokico HP series Struts
Short ram air intake
Tsudo Axel Back Exhaust
... if a jelly fish stung me.. would you pee on the wound?
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Joined: Nov 2005
Posts: 82
CEG\'er
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CEG\'er
Joined: Nov 2005
Posts: 82 |
Originally posted by SquareHead:
I replaced the fuel filter about 2 months ago.
I've never used the "HEAT" product before. What does it do?
I borrowed the Ford cam alignment tool when I changed the belt.
If the timing was off, it should run poorly always.
If a fuel injector was going bad, would the CEL light come on?
I think it's HEET. Absorbs water in the fuel system.
The V6s with variable valve timing- retard the exhaust cam = better top end.
A vacuum leak is less apparent at high rpms.
Good-on-ya with the cam tool. Did you have to move either cam? If you did and didn't use any kind of Loctite material, one of them might of walked. There's supposed to be a Loctite to put on the cam to gear joint, that's to retain them.
95 Contour, 2.0L, stick, 178K mi.
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Joined: Oct 2005
Posts: 15
New CEG\'er
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New CEG\'er
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Posts: 15 |
My 96 Zetec has EXACTLY the same problem .lumpy idle.
I have also done everything mentioned above Inc New IAC.
The only thing i can find is that the downstream O2 sensor (after CAT) is not switching like the first O2 it stays Rich and sometime switches to lean , i'm wondering if that could cause it?
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Joined: Nov 2005
Posts: 410
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Posts: 410 |
That's a new idea I haven't heard. It sounds good in theory.
So you replaced the IAC and there was no change at all? Not even a little?
I have no CEL codes do you have any?
Wounldn't a bad O2 send a code?
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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