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Re: Multiple Unfixable Problems! charging/tranny/too lean/etc.
Ok... For the charging indicator symptom: If you have a steady ~14.4V on your battery when engine is running, alternator is ok, so it's either a problem with your PCM or your instrument cluster circuit.
For the "check transmission", what are the specific codes that Ford retreive? Maybe you just need to reset/erase the codes and see if it comes back. Or maybe it's a bad TFS (trans fluid sensor). They can test your TFS, it's easy to test that.
You cannot test the PCM by yourself, it's too complicated and need special tool. Only your dealer can do it. If they said it's good, then it should be.
For the lean codes, in addition of Wiswind's advices I add only bad upper (and or lower) intake gasket manifold as other possible cause especially if both codes didn't appear in same time. If they did, don't consider them as main culpirit.
Just to be more accurate, there's 12 computers in this van:
-PCM
-FEM
-REM
-Instrument cluster IC
-remote keyless entry module - optional
-ABS control module
-cruise control module - optional
-driver seat module - optional
-Parking Aid Module - optional
-left power sliding door module - optional
-right power sliding door module - optional
-RCM (restraint control module) or airbags module
But like Mark Gober saids, the PCM is the only one that controls engine and trans systems.
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2003 Chevrolet Impala LS 3.8L OHV
2002 Ford Taurus SE 3.0L OHV (sold)
1998 Ford Windstar LX 3.8L OHV (sold)
2002 Chevrolet Malibu LS 3.1L OHV (sold)
2004 Hyundai Accent GS 1.6L DOHC manual (sold)
1995 Oldsmobile Cutlass Supreme S 3.1L OHV (sold)
2002 Ford Crown Victoria Police Interceptor 4.6L SOHC (sold)
A Windstar without having the check engine light is not a real Windstar.
Last edited by serge_saati; 12-29-2010 at 09:30 PM.
Reason: forgot the airbags module
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