Engine Performance problem
1994 Mercury Marquis V8 Two Wheel Drive Automatic 91K miles
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OK CAR STUMBLES BAD WHEN NOT FULLY WARMED UP, AFTER IT WARMS UP IT STILL ALWAYS HESITATES AND STUMBLES A BIT WHEN I DO FAST ACCELERATION, CAR STALLS ONLY WHEN IN DOWN HILL POSITION, CHECK ENGINE LIGHTS UP ABOUT 4 OR 6 TIMES IN A 45 MINUTE DRIVE BUT ONLY FOR ABOUT 8 SECONDS THEN GOES OFF,IT DOES NOT STAY ON,I NOTICE IT TURNS ON MORE WHEN IAM GOING UPHILL,I CHANGED THE SPARK PLUGS,FUEL FILTER,AIR FILTER,TRANSMISSION OIL AND FILTER CHANGE,OIL CHANGE,ADDED SOME FUEL INJECTOR CLEANER,NEW PCV VALVE, CAR RUNS BETTER NOW BUT PROBLEM IS STILL THERE I RECHECKED OIL LEVELS AND THEY ARE GOOD, OTHER THEN THAT CAR DRIVES SMOOTH WITH GOOD TRANSMISSION SHIFTS, NO ODERS NO SMOKE, AT TIMES WHEN I COME TO A COMPLETE STOP AND REMAIN STOPED IT DOES WOBBLE A BIT,BY THE WAY ABS LIGHT BEEN ON, DONT KNOW IF THAT HAS TO DO WITH ANYTHING, I JUST BAUGHT THE CAR SO I REALY DONT KNOW MUCH ABOUT THE HISTORY, LET ME KNOW IF YOU CAN HELP IT WOULD BE VERY APPRECIATED
THANKS
1994 Mercury Marquis V8 Two Wheel Drive Automatic 91K miles
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OK CAR STUMBLES BAD WHEN NOT FULLY WARMED UP, AFTER IT WARMS UP IT STILL ALWAYS HESITATES AND STUMBLES A BIT WHEN I DO FAST ACCELERATION, CAR STALLS ONLY WHEN IN DOWN HILL POSITION, CHECK ENGINE LIGHTS UP ABOUT 4 OR 6 TIMES IN A 45 MINUTE DRIVE BUT ONLY FOR ABOUT 8 SECONDS THEN GOES OFF,IT DOES NOT STAY ON,I NOTICE IT TURNS ON MORE WHEN IAM GOING UPHILL,I CHANGED THE SPARK PLUGS,FUEL FILTER,AIR FILTER,TRANSMISSION OIL AND FILTER CHANGE,OIL CHANGE,ADDED SOME FUEL INJECTOR CLEANER,NEW PCV VALVE, CAR RUNS BETTER NOW BUT PROBLEM IS STILL THERE I RECHECKED OIL LEVELS AND THEY ARE GOOD, OTHER THEN THAT CAR DRIVES SMOOTH WITH GOOD TRANSMISSION SHIFTS, NO ODERS NO SMOKE, AT TIMES WHEN I COME TO A COMPLETE STOP AND REMAIN STOPED IT DOES WOBBLE A BIT,BY THE WAY ABS LIGHT BEEN ON, DONT KNOW IF THAT HAS TO DO WITH ANYTHING, I JUST BAUGHT THE CAR SO I REALY DONT KNOW MUCH ABOUT THE HISTORY, LET ME KNOW IF YOU CAN HELP IT WOULD BE VERY APPRECIATED
THANKS
Feb 23, 2008 at 12:16 AM