It sounds like the starter itself, i have seen a starter do just that multiple times, it may start 12 times when cold but not at all when warm.if it don't even click when its warm could also be a bad cable running from battery to starter
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WHAT GETS WARM, ? (OUTSIDE HERE IS 80F)
ENGINE IS 200F,?
IS DASH HEATER WARM?
IS DASH CLUSTER ******* OUT ENGINE TEMP?
MY GUESS FAILURE TO CRANK!
AND BATTERY LUGS ARE LOOSE AND OR RUSTY.
WON'T CRANK?
OR CRANKS FAST AND WILL NOT START.
IF STARTER IS DEAD
CRANK IN NEUTRAL NEXT, NOT PARK.
SEE IT CRANK NOW? YES PRNDL SWITCH IS BAD.
AND START
IS THE IMMO LAMP GLOWING WRONG IN DASH
"SECURITY"
IF NOT HAVE THE CAR JUMPER CABLE STARTED
AND NEVER DO THAT WITH CABLES BACKWARDS OR GO BROKE FAST.
Have the battery tested if no good replace. Check for power at the starter cable and then while someone holds the key in the crank position check for power at the trigger wire of the starter. If you have power but no crank or click then you may have a bid starter or the engine is seized. If no power on the tarter little wire which comes from the ignition switch make sure you fuses and relay is good and that your ignition switch is working. If the battery tests good have your alternator checked as well.
Intermittent electrical problems are the worst to diagnose. One thing you have not replaced yet is the key switch. I would run a wire to the starter solenoid terminal that has the wire from the key switch and have a meter ready for the next time it fails to crank. If you have no voltage on that terminal it may be the key switch. You can also jumper that wire to battery power to see if it will crank by putting power directly to the starter solenoid. I am assuming the security light is not on when the problem occurs.
If the ignition switch is good and you are certain it works fine,did you realize there is a TSB for this condition when ever you replace a infiniti starter or even some Nissan you are supposed to replace the starter relay also,but it goes further than that you also need to rplace the Throttle control relay with the starter relay.
The first step is to narrow down the cause of the no-start.
Let's go over the process of starting the car, so you have a better understanding of what is going on when you turn the key:
H
The first step is to narrow down the cause of the no-start.
Let's go over the process of starting the car, so you have a better understanding of what is going on when you turn the key:
Here is what happens on a properly running car:
You sit behind the wheel and insert the ignition key into the switch.
You then turn the key to the spring loaded start position. When you do that, the ignition switch engages the starter by connecting the battery to the electric starter motor which, in turn cranks the engine over. This can be easily heard and is referred to as cranking the engine over.
The next thing you will hear is the engine running, which is your signal to release the key.
At that point, the engine is running and you are ready to place the transmission selector in Drive and be on your way.
ere is what happens on a properly running car:
You sit behind the wheel and insert the ignition key into the switch.
You then turn the key to the spring loaded start position. When you do that, the ignition switch engages the starter by connecting the battery to the electric starter motor which, in turn cranks the engine over. This can be easily heard and is referred to as cranking the engine over.
The next thing you will hear is the engine running, which is your signal to release the key.
At that point, the engine is running and you are ready to place the transmission selector in Drive and be on your way.
Hi! Looking at your brief description can I guess that when warm the starter turns slowly? as if a flat battery? If this is so then the starter windings and armature are possibly cooked?? Have you recently tried cranking the engine too much? or with a poorly charged battery? When cranking the starter gets very warm and if not left to cool after 5 seconds of cranking can cook the wiring/armature internals of starter. When your engine is cold the Windings/armature are too so will turn easier, but when warm all internals are expanded so more drain and heat! then causing the starter to revolve slowly taking a lot of power from engine and ignition circuitry. This can also be caused from trying to start a vehicle with low battery, Volts go down Amps go up cooking/frying the winding/armature. I am suggesting this as all I have to go on from the description STARTS COLD BUT ONCE IT IS WARM???? I hope this helps, If it does please remember to press FixYa button as I have taken a lot of time to post the response. Good Luck! Paul 'W' Onyer~EDSon(:0)~[><U.K.
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