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1991 volvo 740 turbo wagon stalls, rough idle, hesitation, engine light on

Hi, I recently bought a 1991 740 turbo wagon which ran great when i got it. I started sensing a little hesitation, but not constant. Now it stalls at stop lights, idle is rough, and I'm experiencing extreme hesitation, especially over 40 mph. It hesitates and if you put your foot to the floor, it kind of "kicks in" and accelerates. The car has 161k on it and is used to commute daily. Check engine light just came on yesterday. Any help you could give me would be greatly appreciated.
Thanks,
John

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5 Suggested Answers

  • 116 Answers

SOURCE: 98 E-250 Rough Idle; codes p0156,p1131,p1151,p0301,p0171,p0174+

po301 thru po306 all misfire codes cylinder 1-6 remove plugs and replace them..... set the plug gap first
i suggest u replace the wires also if they never been replaced all these misfire codes can set the others and one is for the oxygen sensor ( 02s or HO2S) CIRCUT MALFUNCTION do u know how to check wireing systems
do the tune up plugs (set gap) .052-.056 change the fuel filter also. clear the codes hows it run
this info is for 98 E-250 4.2Litre
what engine do u have 4.2L or 4.6L i know it is a v-6 by the codes

Posted on Dec 15, 2008

  • 1 Answer

SOURCE: Car stumbles,hesitates,loses power on Hwy, randomly

Did you check earth connection of electric system?

Posted on May 10, 2009

  • 2039 Answers

SOURCE: My 1991 Toyota has acceleration hesitation

check rom the air fiter box there a air hose that goes to engine check if that air duck hose is not crack or broken repair with electric tape if broken or crack if everything goes fine after the repair change that hose or leave it like that with a few layer of tape its a cheap repaIR THANKS PIERRE

Posted on Jul 30, 2009

  • 52 Answers

SOURCE: 2001 focus. Replaced plugs, wires and coil pack.

Have you replaced the timing belt? if not i would highly recommend doing so. these cars need to have the timing belt replaced before it breaks otherwise it can and will cause major engine damage.

Posted on Aug 11, 2009

buckway2222
  • 6 Answers

SOURCE: Acceleration Issue

your fuel injectors are clogged

Posted on Aug 23, 2009

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