Question about 2003 Ford F150 Regular Cab

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Hard to start when engine warm

Starter works fine and cranks engine, but it takes extended cranking ( approx 1 minuite or more for engine to start. This occurs only when engine is warm. When engine is cold it starts immediately. When engine is hot (immediately after sutting down) it statrs immediately. During cool down from about 5 minuites after stopping untill completely cold it takes extended cranking before it will start. Sightly depressing the gas peddle seems to help a little but it still takes extended cranking to start the engine.

Any assistance is appreciated.

Thanks

Sheldon

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  • Anonymous Mar 15, 2014

    battery is new engines cranks but wont start. Sometimes it will start and run perfectly. Seems worse in cold temperature

  • Anonymous Mar 23, 2014

    1994 Mitsubishi Montero hard to start after sitting for a long peroid of time or over night, if you keep cranking over the engine and feather the gas it will then strart

  • Anonymous Mar 28, 2014

    Engine skips when cold. ok after it warms up,gives po128 code

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Crankshaft sensor may be going bad

Posted on Aug 09, 2008

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  • Contributor
  • 8 Answers

Also check fuel pressure

Posted on Aug 28, 2008

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04 pont gp 3.8 won`t crank but if u hold in start pos.2-3sec.it will crank & start batt. conections are cleaned


No guessing here ,testing the starter system , controls ,wiring etc... is the way to diagnose this . The starter is control by the PCM - engine computer through a relay . The ignition switch is an input to the BCM .
Here is how the factory service manual tell's how it works
Circuit Description
When the ignition switch is placed in the Start position a discrete 12 volts signal is supplied to the BCM notifying it that the ignition is in the Start position. The BCM then supplies a class 2 message to the PCM notifying it that CRANK has been requested. At the same time the BCM is supplying 12 volts for the IGN 1 relay closing it and supplying battery positive voltage for the Crank relay coil. The PCM verifies that the transmission is in Park or Neutral. If it is, the PCM grounds the control circuit of the Crank relay. When this occurs battery positive voltage is supplied through the switch side of the Crank relay to the S terminal of the starter solenoid.

Rather then guessing , your best bet would be to take it to a qualified repair shop that has the diagnostic equipment an knowledge to test it .

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Why doesn't this 2000 Honda civic lx turn over when everything else works inside the car?


Honda Civic Coupe Questions - car will not start. battery ok ...

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CarGurusJul 9, 2008 - Get someone to turn it over and see if it is getting spark. ... i have the same issue with my 1993 civic lx it has a 1.5 sohc non-vtec i changed ... comes wen the 2nd click of the main relay it doesn't occurs until after few minutes, few .... My 2000 Honda Civic Ex Vtec will not start, has a new tps, new throttle body, ...

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The car wont start. I know its either the starter or just the cyllinoid to the starter. Im trying to take off the starter but I cant seem to locate the bolts. How do I take the starter off?


  1. why do that ?, why not post the symptoms and ask for help.?
i suspect you meant the engine will not crank. ????????????
no engine starts unless, cranked or push started (my stick car starts 3ways, starter cranked, push started or gravity(hill) started.
my guess is this Esteem is A/T tranny. and only 1 way.
And will not crank. here are the steps and logic.

  1. all fuses good, battery lugs cleaned.
  2. jumper cables, on your battery to other car, running.
  3. it crankes and runs , your battery is dead or only discharged.
  4. so you find it dont crank jumper cable started.
  5. the means its 1 of 2 things, bad starter or bad key LINE>
  6. so you then , hot wire the solenoid, on side of starter , it has 2 big lugs and 1 tiny lug, keys in pocket you jumper the tiny lug to big outside lug, (battery lug +)
  7. you find out the started cranks now. wow it works. i saved you 4 hours labor and trips to store and all that bull. THE KEY LIKE IS DEAD.!
  8. if it dont crank now the starter is bad (with charged battery)
  9. ok it cranks hot wired, it wont start cuz key in pocket for safety.
  10. you then do these tricks see here.
  11. http://www.fixkick.com/nocrank.html#tricks
  12. see the other tests there, and the hot wire too. and lots more.
  13. there is no need to guess, if you have a voltmeter, 100 points.
  14. The rested battery voltage should be 12.6vdc if not its discharged. so charge it.

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1 Answer

Pressure control solenoid on a 2005 diesel crv, will not turn over but runs just fine.


what does turn over mean/
1: I can crank the engine , that is the starter works ok.
2: the engine does not start and run,?
turn over means , NADA.
it cranks and starts.
or in rare cases cant crank but you push started car ok.

the runs fine, implies , you push starter car? or like me
park on hills, (too cheap to buy a good battery) grin? LOL

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1 Answer

Starter?


Lets start at the beginning.
Are you saying the engine does not crank, or does not start ?
Either way, pumping the gas pedal has no affect on anything with starting the engine.
But cranking the engine for an extended period of time could.
If the engine is cranking but not starting, the problem could be a lack of fuel. The pump relay powers the pump for 3 seconds when you turn the key switch on, then has to have oil pressure to keep powering the pump.
If the pump relay is defective, or the check valve in the pump, you may not have enough fuel pressure when you first crank the engine.
Checking fuel pressure before and after cranking the engine would answer that question.
If the engine is not cranking, then something could be wrong with the starter or the flywheel.

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I have a 2007 650 bmw i somtimes the doesnt start


Did you manage to solve your problem? I have a X5 with the same engine that cranks but doesn't start. Only occurs when car as been up to temp & then left until temp gauge shows approx 1/4. 5-10 minutes later starts fine???

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I recently replaced the battery in my 2001 Jetta TDI; it started up fine this morning, but after sitting for about 2 hours, it refuses to turn over. It cranks very hard and all the lights come on, so it...


Check, clean and tight correctly the battery leads. If the problem still occurs remove the electrical starter motor out from the engine, repair it (change carbon brushes, bearings, ...) and install it back in place. Then test the engine. It should cranking & start immediately.
Good Luck!

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The starter has a thermal safety switch on it which is suppose to stop the starter from cranking when the starter is overheated to prevent damage to the starter. This switch is not working properly therefor stopping the starter from working.You have to replace the starter to correc this problem.

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There are 2 connections on the solinoid the main positive feed.(thick wire from battery)which will sometimes have other wires connected with it and a thinner wire(approx. 3mm thick) with a push on lug from the ignition relay.Check that none of those wires are in the wrong place.it will cause what you are describing

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