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4.9 stalling


ilduce81

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ok, my car seems to "pull" or "stall" whenever i give it full acceleration. but it only seems to do this after it has been running for awhile. its not the catylitc converter because a friend and i "fixed" that problem a year or so ago. so whats the problem guys? the car seems to shift just fine so i dont think its the transmission. also, it has happened in the past.

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92 sedan deville. i have gotten a code about the park nuetral switch and a code about my cruise control circuit. my cruise control will work sometimes but not always. could it be the muffler???? junk from the cat got into the muffler and swells as the car heats up and restricts exhaust flow?

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Check your fuel pressure. My '92 Deville would run fine whenI just started it up. After about :15 min. it would fall flat on it's face with WOT but run ok otherwise. Turned out to be a fuel pump headed south.

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