Mechanics

FUEL PROBLEMS CAUSING CAR TO RUN ROUGH

2003 Dodge Ram

Engine Performance problem
2003 Dodge Ram V8 Two Wheel Drive Automatic 45000 miles

HI. I LIVE IN THE UK AND HAVE RECENTLEY PURCHASED A 2003 DODGE RAM 4.7 MAGNUM. HAVE ALWAYS WANTED A RAM BU HAS BEEN CAUSING ME PROBLEMS SINCE DAY ONE. PLEASE HELP! WAS DRIVING ALONG WHEN ALL OF A SUDDEN THE ENGINE STARTS TO PLAY UP BIG TIME LIKE THE CAR IS GOING TO DIE THERE AND THEN. ROUGH IDLE AND RUNNING. HAD TRUCK CHECKED AND RANDOM CYLINDER MISFIRE DETECTED ACROSS ALL CYLINDERS. SINCE THEN HAVE REPACED COILS, FUEL INJECTORS SPARK PLUGS BUT STILL NOT RUNNING. STRANGLEY IT ALSO HAS LPG SYSTEM FITTED AND RUNS ABSOLUTLY FINE ON LPG AND THAT HAS BEEN CHECKED AND IS NOT THE CAUSE. ALSO SHOWING IS A FUEL TRIM OF 32% AND A MAP SENSOR WITH FUNNY READINGS. PLEASE CAN YOU HELP?
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Ukdodgeram1500
September 9, 2009.




Have you tried replacing the map sensor? If it isn't working properly, it could cause this.



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