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I was wondering if anyone has or has had the same problem as me. im driving my car and every so often (cant pinpoint a specific rev range) it shudders. the pedal goes to floor, the engine splutters, but there is no power at all! this is only for a few seconds and then everything seems to be ok again. but sometimes it is so serious, i have to pull over. one time the catalytic converter light came on for a moment. its like a giant miss! originally i thought it was the afms, so i took them off and had them cleaned. but the problem is still there. i know i should take it to the mechanic. but was wondering iif i could fix the problem myself for the meantime. any suggestions? car is an r32 gtr.

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Arrrrrrgh! help! i have taken it to the mechanic.... and you know the story.... the car is well behaved and cannot get the problem to occur at all. just now i changed all the spark plugs, from 6's to 7's. the car went in for a major today, and my mechanic (chapman automotive) told me that the spark plugs were ok. just to be on the safe side, if it were faulty spark plugs, i wanted a set i could changeover to. after changing them over. it drove quite nicely. but then, there it was. but this time, when it did happen, it was terrible. my car was crawling shuddering and spluttering all the way home. i had to pull over a few times. the car just wouldnt go! when i pushed the accelerator, it burbled thru the whole rev range. now when it sits, it idles nicely and then drops to the point of stall (but doesnt) and then idles nicely again! i am too worried to drive it anymore. please help! my mechanic is very far away! in this service the afm's were cleaned. so that eliminates that possibilty. please help!

  • 4 weeks later...

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