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95 volvo 940 jetronic error codes 113 212 232 My car hesitates after the first mile. It works for a couple of days after I fix something - New Fuel filter, new spark plugs, injector cleaner, Mas Air flow sensor. Help!
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check your pump if you replaced the pre pump in your fuel tank you must check the seal .remove the plastic ring check the base at the entry to your pump is flat .it may be leaking air due to your seal not seated in correctly.
May have a faulty air/fuel ratio sensor or o2 sensor, throttle body may need adjusting or have a stretched spring or there may be grime restricting air flow so it's flooding it.
Check your timing. Sounds like you know what you are doing and if you have spark, fuel, and comptression it should run unless it jumped time. It could be off a tooth or two and still have compression. With high milage that would be something to consider.
2-3-2*
Fuel trim (lambda control) too lean or too rich at idle
}If too rich: high fuel press., leaking injector
} various driving problems
Fuel trim (lambda control) too lean at idleOxygen sensor
At night, with the lights off and standing in some dark area, open the hood and look for fireworks.
I chased a similar problem, also degrading over days in a lousy Saturn the same year as your car, that was a miserable piece of junk only months after buying it new.
That particular problem, only one of dozens occurring before it self-destructed at 57,000 miles (dropped a rod bearing cap), was 'only' the spark plug wires that were leaking like crazy, arcing to every piece of metal possible.
The car was 3 years old at the time.
I STILL hate that car and GM! They deserve bad luck . . .
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