Diagnostic code90204

Asked by Teresa Dec 08, 2016 at 08:34 PM about the 1995 Subaru Legacy L Wagon AWD

Question type: Maintenance & Repair

How do I fix it so I can use cruise control

48,090

TheSubaruGuruBoston answered 7 years ago

It's PO204, by the way. You must repair/replace the injector or its wiring and then erase the code to retrieve cc.

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Diagnostic code90204 1 Answer

How do I fix it so I can use cruise control

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Hello everyone, here's the history of the current problem. Bought a used 2003 Subaru Legacy with 190K miles. after 1 month P0420 cat efficiency code tripped the engine light. The light seems to come and go with no repair work done. 2 months later the car hesitates severely upon acceleration but does finally get going. I am not limited to any certain speed on the highway yet. Exhaust shop said cats were fine after they cut a hole and actually visualized the inside of the cat. Then I took it to firestone who said it WAS the CC. There was no diagnostic work done as admitted by firestone once they say that the P0420 code had been stored in the "computer". Was quoted 1200 to replace CC and 1100 to replace the O2 sensors. Should I believe the exhaust shop or Firestone? Can I replace the CC myself? 1 Answer

Paid 2300.00 for the car for my 16y.o. daughter. Only seems to have severe problems once engine gets warm.

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Diagnostic code90204

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