Question about 1998 Volkswagen Golf

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OVER FUELLING ON VW POLO 1.6i. CAR STARTS ONCE HOT DOES NOT START

I got to tow the car in order for it to start,once started it smokes like a diesel, once it back fires etc it comes back to normal, once switch off again the process starts again.

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Backfire means timing is off and unburnt fuel mixture explodes either from compression or a hot exhaust system. Black smoke could mean the fuel mixture is too rich. A metering component is not functioning and sending wrong data correcting the air/fuel ratio.

Posted on May 31, 2010

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Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


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===========

These details will help.

Thanks.

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Volkswagen Polo hot start problem


1) see the diagram
2) use the scanner and computer test, this will guide a exactly problem
3) reset the igntion timing, it doesnot matter if your system ha BCM, adjust to accoridng the specification manaufacturer, because the BCM runt according to the information recorderd. remember the BCM =CPU.
4) test the sensor cam/crank with VOM see the diagram.
5) the head gasket i blown, valve timing is incorrectly set. the exhaust system is blocked.
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