1996 Volvo 960 "rough running" Questions

running rough when I got on the freeway. Up until then it had been great. Very Smooth. I have a check engine light that is flashing. The car idles rough up to about 1900 rpm. Then it smoothes out. The

...running rough leading into the tune-up process. What are the possibilities of the source of the problem? The car has >300K miles on it. Thanks Is there fuel pressure at the fuel rail ? will need a ...

Engine running rough not gas problem thin its coil have a volvo mech. check the fuel injection canister for carbon build up. it should be a 20 minute fix.

95 volvo 960. rough idle which feels like a misfire but runs well above 1000rpm. Code 231 comes up once in a while even when 02 sensor has been changed. Check for a vacuum leak. Could be a loose or ...

Running rough, engine shaking Here's a link to a picture of what the EGR look's like,it's at the back of the engine,easy to remove.When bad, vehicles can experience poor engine performance, poor idle,

...running rough because I need a tune-up horribly bad ! Is it the alternator or fuel line, I just had the fuel pump replaced a few months ago.....HELP !!! yes you most definatey need a tune up replace ...

replaced Idle Air Valve and EGR Valve. Car still runs rough. Car still has hesitation and I have been told it needs a Mass Air Meter Fault P/MN-8251499. What is approx cost of this part and does it ...

...rough until it gets warmed up 10 to 15 minutes, the service light comes on when started also... what service doe need; there is 154,000 mls on the car. You need to do a tune up,such as sparkplugs,pcv ...

running rough. I took the car to the dealer, who the repair shop requested I use, and I am being told that I have low compression in cyclinder #2. Numbers 1, 3, 4, 5 are running at 175 and number 2 at