Google Answers: Vehicle Failing Calif. Smog Test

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Q: Vehicle Failing Calif. Smog Test ( No Answer, 1 Comment )

Question

Subject: Vehicle Failing Calif. Smog Test
Category: Miscellaneous
Asked by: alprice-ga
List Price: $15.00

Posted: 15 Oct 2004 06:48 PDT
Expires: 30 Oct 2004 12:43 PDT
Question ID: 415263

VEHICLE FAILING SMOG TESTS

Vehicle: 1993 WV Eurovan
Problem: Repeatedly fails smog test due to very excessive levels of CO
Mileage: 93,200 miles
Maintenance record: excellent
Performance on road: excellent, no apparent problems
Confidence in repair shop mechanic: very good - he's also stumped

Part replacements to date:
1. Catalytic converter
2. Evaporator purge valve
3. Oxygen sensor
4. Fuel injection temperature sensor
5. Fuel pressure regulator

Additional test: Engine Control Module (ECM) didn't respond when
connecting vacuum pump to fuel line.  Replacing this will cost well
over $1000.

What else should be investigated to get vehicle to pass smog test?

Answer

There is no answer at this time.

Comments

Subject: Re: Vehicle Failing Calif. Smog Test
From: just4fun2-ga on 15 Oct 2004 13:07 PDT

Take car to dealership and stop spending money to "try" and find problem.

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