Question about 1996 Volvo 850

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Running rough I have an 850 estate which has done 140,000miles. It is in good condition but it has started running very rough with no acceleration and the fuel economy is a third of what it was. It sounds like a truck. The Lambda Sond light came on a day later, what is wrong and can I fix it myself.

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Check all the vacuum pipes and rubber elbows around the throttle body as they will be deteriorating by now if not replaced already. Also clean the throttle body and idle air control valve by using throttle body cleaner. Check the fuel pump filter, relay and pump too as they are known to cause this problem. It will also need HT leads at this age.

Posted on Sep 27, 2008

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You should get the codes read that tells you what is wrong i had this sort of problem turned out to be the camshaft sonsor

Posted on Oct 07, 2008

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P0308 code intermintently pops up can i pass smog


  • Check Engine Lightflashing
  • Rough running, hesitation, and/or jerking when accelerating
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May 08, 2014 | 2001 Dodge Durango

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The vehical starts runs very rough blows clouds of white smoke then dies. i can floor the accelerator pedal and the rpms never go above 1000. then it will restart and do it all over again. it starts runs...


check the fuel injector....some times there may be dust accumulated in it......engine misfiring may also be a reason for such a fault as u said....... jus check these two conditions....surely one of this ll be a problem from my view.. good luck!!!!!

Oct 22, 2009 | 1997 Dodge Ram

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Running rough, studders on acceleration, no power.


FIRST, I WOULD TUNE IT UP WITH PLUGS, WIRES CAP AND ROTOR. THEN I WOULD GET SOME REALLY GOOD FUEL INJECTOR CLEANER AND USE AS DIRECTED. MAKE SURE THE TIRES ARE INFLATED TO SPECS AS THIS CAN REDUCE MILEAGE AS WELL. AN INTAKE CLEAN CAN ALSO HELP IT RUN CLEANER AND MORE EFFICIENT. HOPE THIS HELPS. LET ME KNOW. GOOD LUCK

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1996 FORD CONTOUR 4CYL ROUGH IDLE ROUGH ACCELERATION


no problem. If you are getting that low of voltage on a load then you might want to test the alternator as well to make sure it is running at capacity.

Feb 23, 2009 | 1998 Ford Contour

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Check engine light/rough acceleration


Dear atomicboy488,

A lot of Rain=Possible Water in the Gas=Erratic Running!
This sounds like it may be as simple as cleaning the water or gunk out of the gas tank which is what I always do 1st because it's easy and inexpensive.
If your fuel is contaminated with gunk, grime, WATER and/or bottom junk like rust this will cause stalling AND ROUGH ACCELERATION!
Try spraying a can of starter fluid in the air intake and see if it runs! If it does, it's most likely bad fuel or clogged injectors so....
Fill the tank with High Test, Add some DRYGAS and a good fuel system cleaner or 2 or 3 and this should dissolve all the gunk and clean the injectors! Read & follow the cans' instruction carefully.
If this cures the problem never let your gas tank get below 1/4 and especially never run it to empty as this is when the gunk and/or water will enter the system!
Hope this helps!
Good Luck!
jackiaria
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Feb 11, 2009 | 2000 Jeep Wrangler

1 Answer

2003 DODGE NEON RUNS ROUGH


Try cleaning the EGR valve first



electronic Tempture Control
ECT sensor
symptoms
Potential Symptoms

Symptoms of a P0118 could include:

* Very poor fuel economy
* A no start condition
* Vehicle may start, but run very poorly, blowing black smoke, running very rough and misfiring
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Usually a fault in the control circuit, will leave no noticeable symptoms other than the Malfunction Indicator Lamp (MIL) illumination. However, if the EGR control solenoid
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