Having problems with your GMC K3500 ?

I have a diesel 6.2 it starts cold fine. but after its hot it wont start again.

Posted / edited by AnonymousUser on : 19-11-2018

Answers :

Hi,
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\015\012A hot start problem on a diesel is almost always due to a worn injector pump. Diesel fuel is an oil and it thins out as engine temperature climbs. After shutting off a hot engine, the temperature climbs even further. A worn injection pump cannot develop enough pressure to get the injectors to open and start the engine hence the refusal to start when hot.
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\015\012As your starting problems are confined to hot starts and in the absence of any other symptoms this is the key suspect.
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\015\012Hope this helps. Please do rate my answer. Many Thanks.
Sounds like your injector pump is bad. I recommend replacement.
Thanks,
Lee
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