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I have a 2004 infiniti qx4 it run great but when get hot it cut off when it cool off it start back up somebody told it was the ecm

Posted by Michael Wayne on

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5 Related Answers

Anonymous

  • 1 Answer

SOURCE: 1998 infiniti QX4 break squeeling

some times it might be that it just needs to be sanded down or there is too much break dust. so just spray it down with a power wash and if it doesn't work try to sand down the roaters. but be carefull.

Posted on Jun 28, 2008

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Anonymous

  • 334 Answers

SOURCE: 2001 Infiniti QX4 low beam bulb replacement instructions

Look directly behind the headlight box if there is a rubber sleave covering the plug take it off. Unplug the wires from the bulb, there may be a saftey clip you will have to pry up to get it off.after you get the plug off the bulb holder should twist counterclockwise then it will pull right off.When you change the bulb just remember to wipe your body oil off the bulb before attaching it back into the headlight box. Then plug it back in and your in business. The high beam has three wires and the low beam has two wires. The bulb will have to be the right one.
God Bless You Greg

Posted on Nov 25, 2008

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Titilayo Sodipe

  • 1428 Answers

SOURCE: I have an 1999 Infinity

There can be a misfire too from the cylinders.

An engine that hesitates, stumbles or misfires when accelerating or when it is under load is an engine that is either sucking too much air, not getting enough fuel or misfiring. If the Check Engine Light comes on, you may find any of the following codes:

• P0171, P0174 Lean fuel condition codes
• P0120 to P0124 Throttle position sensor codes
• P0222 to P0229 Throttle position sensor codes
• P0400 to P0409 EGR related codes

If there are no misfire codes, a common cause of acceleration stumble is a bad throttle position sensor (TPS). The TPS tells the computer how far the throttle is open. The computer uses this information to determine how much fuel is needed to maintain the correct air/fuel mixture and when extra fuel is needed if the throttle suddenly opens wide.

Another common cause is dirty fuel injectors. If varnish deposits have built up in the tips of the injectors, they won’t spray as much fuel as they normally do, or will “dribble” fuel instead of spraying a fine mist. This creates a lean fuel mixture and conditions that are ripe for stumble and hesitation (also misfire). Look at short term fuel trim (STFT) and long term fuel trim (LTFT) with your scantool. If the numbers are high, it tells you the engine is running lean and the injectors need cleaning. Treat mild cases with a high quality fuel-injector cleaner additive. Severe cases require professional cleaning equipment.

Also if this sensors apply to your vehicle, camshaft sensor or crankshaft sensor if sensors bad you don't get any spark. Also run a scan on the car.

Good luck and rate this solution, please.

Posted on Mar 22, 2010

Anonymous

  • 1 Answer

SOURCE: tryen to find location of the crank sensor on 1998 infiniti QX4

looking for crankshaft sensor on 1998 infiniti qx4

Posted on Nov 17, 2010

spraydoctor

Don Fuller

  • 97 Answers

SOURCE: ford taurus 2001 car start but once the car is cut off it won't start up again until it cools off the car is not running hot.

After you kill it, when you try to start it back up, does the starter turn the motor? Or is it froze up (will not turn over)?

Posted on Mar 12, 2012

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