[Shotimes] High idle problems

[Paul Nimz]

Vacuum leak.  It will only show a code when it is so bad the PCM can no longer
compensate.  And then it will show a rich code=the PCM has added all the fuel
it can but the O2s still aren't happy.

Paul


On 10/11/2005 9:11:58 AM, Donald Mallinson (dmall@mwonline.net) wrote:
> Got a note from a member that is having problems with their 95 ATX SHO
> with high idle.
>
> It is at 1000 rpm at a stop in gear, and 1500-1700 in neutral.
>
> On light acceleration, the car gets to 35 mph at about 2000 rpm and
> doesn't want to shift to second gear.
>
> The owner recently replaced the IAC valve, TP sensor, VSS sensor, upper
> manifold gasket,
>
> Oxygen sensors, Cam Poisition sensor, and ECT sensor. He tried to find
trouble codes but their are none in the computer.
>
> Any ideas?
>
> Don Mallinson
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