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ECU Codes 200 1990

For what it's worth from me, as I like to think and chat, I agree with Art's complete posting and his advice. He knows cold at the moment. (:-(

232 is really a "catch all" code or a very non-specific bucket list of could he's!

Your mileage is low which could be the cold weather of the East Coast. More fuel to start and longer warmups and quicker cool downs!

Since your claiming and no profile. to be teased with, (:-) we have no idea how to suggest what might be happening.


A bad Fuel Presure regulator can cause a rich mixture. One of two fairly common failures. Another being a computer Engine Coolant Sensor or wiring.

If the FPR has totally failed, the internal leakage can cause it hard to start or run rich.
Study FAQ's on FPR's.

A vacuum leak can cause a lean mixture and stumbling.
With that said, if the FPR does not get a vacuum signal, it will cause a lean mixture under accelerations. Check all hoses for splits.
Both conditions will cause a sluggish power response.

Hint... Most occur on the underside of the hose.
A Gremlin's very first lesson to learn in Gremlin school!


A warmed up engine can smooth out from either of those conditions.
So, that shoves the diagnosis back to square one, unless the mileage is really suffering.

On a highway distance run 27-29 is very possible with a manual and maybe an automatic transmission!

You could spill that news on us or subtract about 2 mpg.
If an automatic, Does the over drive work or have one?
It might be bypassed.
I believe you will count 4 shifts, all together.
I ask these questions as I have never driven one, so I don't know.

Good news is, almost anything about this symptom is inexpensively repaired and a straight forward task, once the possibilities of things are checked out.

Phil






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