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Old 4 Weeks Ago   #16
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Re: help needed,if not will scrap car

Have you checked the ECU earth? Coil packs need a very large earth current via the ECU. A weak spark can cause sooty plugs.
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Old 4 Weeks Ago   #17
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Quote Originally Posted by judderbar View Post
Have you checked the ECU earth? Coil packs need a very large earth current via the ECU. A weak spark can cause sooty plugs.
Op stated weeks ago that all spark related stuff had been changed.

But didnt reply when I mentioned the ECU..
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Old 4 Weeks Ago   #18
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Re: help needed,if not will scrap car

i bought brand new lamba sensor,no difference.
I cleaned the map sensor.was told they rarely fail,but dont know if this is the problem,the car gradully got worse.
no warning lights on the dash.its 8 valve model.
just tired of trying things now.
tony
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Old 4 Weeks Ago   #19
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Re: help needed,if not will scrap car

Quote Originally Posted by TONY55S View Post
i bought brand new lamba sensor,no difference.
I cleaned the map sensor.was told they rarely fail,but dont know if this is the problem,the car gradully got worse.
no warning lights on the dash.its 8 valve model.
just tired of trying things now.
tony
Have you checked and cleaned up the ECU earth wire? There should be an earth wire from the ECU to the throttle body because the ECU is bolted to the plastic inlet manifold.
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Old 4 Weeks Ago   #20
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Re: help needed,if not will scrap car

do the map sensors fail .my car is 19 years old with original sensor.
is it worth buying new one in the hope it will fix the misfire.
tony
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Old 4 Weeks Ago   #21
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Re: help needed,if not will scrap car

Quote Originally Posted by TONY55S View Post
do the map sensors fail .my car is 19 years old with original sensor.
is it worth buying new one in the hope it will fix the misfire.
tony
A poster has already suggested it could be the map sensor. You can at least check it is clean. It is a simple part. Failure is going to create a code.

Have you checked the codes?


Meanwhile you seem to be ignoring repeated requests to you to find out if you have checked the ECU earth.
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Last edited by judderbar; 4 Weeks Ago at 06:59.
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Old 4 Weeks Ago   #22
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Re: help needed,if not will scrap car

Have you scraped it yet? Can I bagsy the fuel rail please.
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