Question about 1995 Ford Escort
Engine runs very ruff and tries to stall at redlights. new radiator, tune up done 4 mths ago. check engine light on, but mechanic found no codes on scanner and compression was fine. he was stumped. he said problem may need to get worse to diagnose. please help!
My escort (same year/make/model) just had a bad ignition coil that made it run real rough. It did not have any computer codes come up, either. I would ask about that...
Posted on Sep 18, 2008
Your catalytic converter plugging up will cause these problems. if it gets bad enough it won't allow engine to run at all, to much back pressure.
Posted on Sep 13, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
following are the general instructions on the start of diagnosing any
electronically controlled engine or transmission problem.
The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exceptions to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.
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