Question about 1999 Suzuki Grand Vitara

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Failure to re-start after long drive

The vehicle is a 1.6l 5sp manual. After stopping for a short time from a long drive the engine fails to fire up again. It will wind over but not fire. I have to wait for a period of at least 10 minutes (sometimes longer) and hopefully get ignition again. I have had a few different mechanics and auto electricans look at the car, however no one has been able to solve the problem as they have not been able to replecate the fault and therefore test it in failure mode.

My theory is that excessive heat build-up after the car is turned off is causing a problem in either the fuel or electrical system. A fuel blockage due to either a vapour lock or other contaminent is possible. I believe this is unlikely as a I had the fuel filter changed and the fuel line path has not been changed from original specs. I am more inclined to think that some electical component is failing when it becomes overheated. Once this component then cools down it then begins to operate again and the car re-starts.

Any help or suggestions would be most appreciated.

Thanks, ****

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You should check the sensor. Before you change the housing and sensor, double check with your mechanic in case if you dont need to change the housing.
Most of the time the firm sells both but you can request the sensor alone.

Hope this helps

Posted on Jul 17, 2008


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