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Old 23-10-2007, 11:43 AM   #1
big_fletch
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Angry need help with engine problem, car running very badly?

currently i have a small problem with my Au1 thats starting to get on my bad side, when cruising or taking off from a stop very slowly my car is fine, however once the motor is put under pressure and i want to overtake, take off from a stop or just speed up the car just sort of chugs and cant really keep up? has anyone had this problem, i have been told by a few different people that it will probably be the spark plug leads. Would this be right or is there something else that i should be looking at?
thanks chris

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Old 23-10-2007, 12:10 PM   #2
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how old? cat might be rooted
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Old 23-10-2007, 01:16 PM   #3
MNM96
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Service History is important. Start with Plugs, Leads and Fuel Filter/ Air Filter. If that doesn't help, Fuel Pump, then Fuel Pump and Fuel Pump!
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Old 23-10-2007, 06:10 PM   #4
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its a series 1, but i bought it without a service history. i do know its a ex company car but that is it. thanks for the input, i might change the plugs and leads and see how i go.
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Old 23-10-2007, 06:17 PM   #5
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Deffinately do a good big service on it, it will love you.
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Old 23-10-2007, 06:21 PM   #6
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sounds like fuel starvation to me fuel filter or pump
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Old 24-10-2007, 08:29 AM   #7
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my car is the same vintage as yours and with 250k on the clock. It was doing sort of the same thing as yours until I gave it a good service, but I also cleaned the throttle body and the isc valve and also replaced the o2 sensor doing the last 3 things has made a dramatic difference to the old girl.

cheers and good luck.
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Old 24-10-2007, 08:18 PM   #8
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sounds like leads...
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Old 24-10-2007, 08:26 PM   #9
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Sounds like a clogged fuel filter,dodgy leads or fouled plugs.
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Old 24-10-2007, 09:10 PM   #10
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well good news i replaced the leads and spark plugs as suggested and now it runs like a charm. number 4 spark plug lead was rooted so i would asume it was the problem.
thanks for all the help and feedback guys
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