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the car will only run fine for a maximum of 5-10seconds. Then it starts to "miss" so its not even like the CTS is getting to the point where it can put the system into closed loop. The car will run marginly better but still miss if i put the car into limp mode by pinching the vacum hose...

daily bump:clown:

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What is it thats needing re-tapped? You can buy taps and dies singally from your local motor factors, its easy to do. Each tap will have their own drill size. as long as its tapped nice and square then no problem. Stuart

forgot to mention that for some reason i crimped the vacum hose running to the MAP sensor and the engine run better for a few seconds before returning to a rough running performance. Doing this pulled up th ECU light as expected. but could the MAP sensor make the car run this poorly? Thank...

Will try that aswell. it gives a reading on the gauge in the car though? well so far it has had a new fuel filter, leads, plugs air filter and the hole in the FPR vacum pipe sorted. Tried unplugging the lambda sensor with no joy. The car back fires really badly through the inlet. Any...

Ok will give this ago we already tried it but that was before i discovered the hole in the vacum pipe to the FPR. How do i reset the ECU so it doesnt run on the backup map? Thanks Stuart

bump:)

ok thanks i think the next step would possibly be having it put on the dianostics. any other ideas out there? Thanks Stuart

i also forgot to mention that it literally happened instantly. in the sense that parked the car up then came back in it was like this. Would unplugging the sensor let me see if it was this ie unplugged = run better? Thanks Stuart

Just got the above clio for my first car. and it seems to have developed a problem. such that when started it will run fine for 5 seconds then starts to "missfire" When applying the throttle it wont respond and when it does it revvs. The car has no power such that the car wil barely pull on...