1999 Volkswagen Passat 1 8 T Fix Lot Things Car Already Because Ve Had Misfire

1999 VOLKSWAGEN PASSAT
88,165 MILES
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I have a 1999 Volkswagen passat 1.8 t I fix a lot of things in the car already Because I've had a misfire cylinder number four I get weird codes as an cylinder number four misfire and misfire and random cylinders I've tried changing vacuum lines EGR valve Spark plugs coil Packs Even then so I still get misfire rentable multiple misfires in different cylinders As well and cylinder number four
Dec 7, 2012 at 9:58 PM
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EXOVCDS
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Has the ignition module been checked?
Fuel pressure?
PCV check valve?

Standard or automatic?

Misfire at idle only? Has the throttle body been cleaned & adapted?

Is the chain tensioner making noise?

Thomas
Dec 8, 2012 at 12:32 AM
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