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Z31 300ZX(T) 1984-1989 Zs - Engine and Chassis Discussion

       
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Old Sep 8th, 2004, 02:17 PM   #1 (permalink)
SentraBoy
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Join Date: Jun 2002
Location: Ontario, Canada
Posts: 182
Failed Emissions Test

Hey Guys

I just ran my '88 300zx Non Turbo for a e-test and it failed.
It failed on the HC ppm ONLY everything else passed.
The limit is 67 and my reading is 134.

They gave me a phamplet that outlines possible problems:

High HC during Driving Test or High Idle Test

>Vacuum leaks
>ignition system malfunction
>faulty computerized engine management system and/or oxygen sensor
>faulty air injection system
>internal engine problem
>failed catalytic converter

The exhaust and catalytic converter were changed May/03 for the last e-test on this car.

Any ideas on the problem?
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Old Sep 8th, 2004, 03:00 PM   #2 (permalink)
Spongerider
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Quote:
Originally Posted by SentraBoy
Hey Guys

I just ran my '88 300zx Non Turbo for a e-test and it failed.
It failed on the HC ppm ONLY everything else passed.
The limit is 67 and my reading is 134.

They gave me a phamplet that outlines possible problems:

High HC during Driving Test or High Idle Test

>Vacuum leaks
>ignition system malfunction
>faulty computerized engine management system and/or oxygen sensor
>faulty air injection system
>internal engine problem
>failed catalytic converter

The exhaust and catalytic converter were changed May/03 for the last e-test on this car.

Any ideas on the problem?
Get some new O2's? How is your gas milage?
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