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The mkiv Supra Owners Club

Process Of Elimination on the NA..!!


Havard

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Ok then,

 

After my recent problems with my NA I thought it had been sorted with a new dizzy capand rotor arm. The car has been idling badly and missed slightly under acceleration.

 

It's been ok for a week with the new cap etc but on Friday it went back to it's old way except worse...:( Now the car is bubbling and popping through the exhaust and is missing badly under acceleration. Took it for a blast up the motorway today and I could hear a high pitched wine from the engine, almost like it had a turbo. Could this be a vacuum pipe problem? It hardly accelerated in 5th at all. Once back on the a roads it was very stuttery and the higher the gear and lower the revs, the worse the stuttering..!!

 

Tomorrow I am going to try and run the system through the LPG to prove that it's not a blocked fuel filter, I then plan to take it to my local garage and have the plug leads replaced. It had irridium plugs one year ago and I have only done 2K mles since. It's then going to be the air sensor and then it may be a compression test on the cylinders..!!

 

Any other thoughts? I heard a strange noise from near the charcoal canster too today as if it was letting air out??

 

Any help would be greatly appreciated..!!

 

H.

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This has been doing me head in all day. I wonder if there is a pipe off somewhere. There are loads of threads on here with similar problems but they all seem to have different answers.

 

I am booked on a ferry on the 10th of June and if it's something major then I will be gutted.....:(

 

Where are the vacuum pipes?

 

H.

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