Mechanics

CAR IS MISSFIRING

1996 Mitsubishi Magna • 332,667 miles

Once the car is warmed up it starts to missfire and a grinding noise starts, have just had the water pump exchanged, changed an o ring in the distributar and had a new power steering pump installed. It is worse going up hills. I am a single parent and dont have the money for a mechanic so any help would be gratefull.
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Mooshie42
June 15, 2012.



Scan for codes and check fuel pressure first

Hmac300
Jun 15, 2012.
Where is the noise coming from?

KHLow2008
Jun 15, 2012.
How do I check the codes? We put a new fuel pump i'n it already. Didn't change anything as for the noise I carnt figure out were it is coming from as it doesn't make the noise when the car is still, am going to change the plugs and leads and distributor cap. Hope that helps. Thank you for your help. Jackie

Tiny
Mooshie42
Jun 17, 2012.
Most part stores provides free scanning services. you can get it checked there.

http://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If the noise is only while moving, then it could be suspension or drive train related. Check the wheel bearings, transmission fluids etc.

KHLow2008
Jun 17, 2012.