Diesel engine won't start after a long ride

[Condotiere]

This was a problem with my 1st gen Kia sportage with R2 engine. After a long ride with the temp guage in about the middle, the engine won't start. But if you wait until the engine has cooled down after after about 15 minutes, the engine will start just fine. What donyoy guys think is the cause of this problem?

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[StockEngine]

I don't know... maybe glow plugs? marami diesel experts.. ever had it looked at?

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[Condotiere]

Di naman siguro glow plugs kasi mainit nga yung engine. Parang hirap yung starter mag crank up. Mag start naman sya muli pag nag cool down na yung engine. Problem seemed to stop when I fixed that leaking freeze plug/water jacket.

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[oj88]

I just did a quick search and warm-start issues are sometimes caused by a faulty ECT or its wiring. If the ECU thinks that the engine is cold when it is actually hot (because of bad information from the ECT), it follows a specific program or procedure that favors a cold start-up (ie. fuel quantity, air quantity, injector timing, etc.), parameters that are not ideal when the engine is actually hot.

Not saying conclusively that this is the actual problem but it is worth checking out.

[Condotiere]

I am beginning to think that the problem comes from the starter. It is having a hard time cranking the engine when It is hot. Are there cases of starters malfunctioning in very high tepms?

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[StockEngine]

Cranking issue? Hows the battery? Over 3yo? Battery test will reveal the CCA..

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[ice15]

Eiher the valves need adjustment... (Pudpod or tukod na)

Or compression issue.

*if battery, glow plugs and starter are all ok

[suysuy]

It might be the starter. Baka tumataas ang resistance ng starter pag mainit yung engine kaya ayaw dumaloy ng kuryente hence ayaw mag start. In my opinion lang ha.

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[Condotiere]

1yo battery lang po

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[Condotiere]

Eiher the valves need adjustment... (Pudpod or tukod na)

Or compression issue.

*if battery, glow plugs and starter are all ok

The valves are new.....

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