Hard starting when cold or hot - Breeze Plymouth Cars & Trucks

Is cranking speed slow? Do a voltage drop test on battery cables.and a high output amp meter to test starter draw. normal ampere draw should be 250-350 amps cold and 300-375 amps hot as engine turns these readings should drop to 200-250 amps if not bad starter.

glow plugs aren't heating hot enough on cold start would look into new glow plugs if that doesn't fix it i'd look further

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Cranks but no start or tries to start hot? Check ignition module when hot the board expands and cold contracts.

Regards, Lee Davidian

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check for cracks in your distributor cap or ignition coil might be moisture getting into them.

Might be an oil issue. Oil when hot might be too thick for the pump to pump the oil easily in the engine. Check that and if not that come back.

I think it may be time to change the spark plugs and wires.

mcdevito75 here, Sounds like something in the ignition system, a bad ignition module or coils, Have your repair shop take a look at these items.

sounds like a dodgy mis reading of a sensor caused by electrical resistance which is turning choke on and flooding engine.know the fault but without car in front of me its difficult to diagnose,could be auto choke sensor which is on right hand side of cylinder head ,but not sure.best is probally dealer have you tried spark plug gaps ??25th although this would cause problems with cold starting not hot starting but its worth a look

Ignition module.