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Cold engine is hard to start. Takes several seconds of cranking before engine starts.

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Replace your water temperature sensor!

Posted on Jun 18, 2009

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Posted on Jan 02, 2017

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If my jag has been sitting for more than 24 hours the first time I try to start the engine takes maybe 8 or 9 cranks before it will start, after this she starts quickly.


Sounds like the engine oil is quite thick when cold so you probably need to check the last time the oil was changed along with the filter.once it gets slightly warm the engine takes less cranking amps to turn over so it will start quicker.

Apr 20, 2015 | Cars & Trucks

1 Answer

My 2003 hummer has a ''hard start'' it takes about 6 seconds for the engine to turn over. I did a full tune up on it, wire, plugs etc, but no luck, what do you think?


If you mean that the engine cranks over for 6 seconds before it fires up, that sounds like a fuel situation. You would need to install a fuel pressure gauge and turn the engine off for several minutes and see if pressure drops. The pump has a check valve that keeps the fuel line pressurized until you start the engine again, if that valve is bleeding off pressure it takes longer for the pump to prime the fuel system, hence your long crank. Could also be a regulator or fuel injector bleeding pressure. Good luck!

Apr 18, 2010 | 2003 Hummer H2

1 Answer

Engine cranks fine, good battery but just won't


check fuel pressure, try cycling the key to the on position an couple of times not the start position to cycle the fuel pump then try to start it. could be the cold start circuit. once its warm does it start easy ?

Aug 09, 2009 | 2008 Hyundai Elantra

1 Answer

2006 Maxima starts ok when cold. Really hard to


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.

Jul 15, 2009 | 2006 Nissan Maxima

1 Answer

2003 Regal: Hard Start Hot


We would like the solution - please.

Jul 05, 2009 | 2003 Buick Regal

2 Answers

Hard to start when engine warm


crankshaft sensor may be going bad

Jun 26, 2008 | 2003 Ford F150 Regular Cab

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