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2006 Infiniti (M35X) was giving code "P2101". Vehicle would lose throttle and stay in idle. Sometimes it would run without any problem, and sometimes it would go into an idle and have no throttle. I replaced the throttle motor with a NEW throttle motor. After replacing the throttle motor the vehicle ran super well. Shortly thereafter, it occurred again...no throttle. Within seconds I started the car and it ran without any problem. I thought the throttle motor had to relearn and adjust. I drove the car about 20 miles and there was no problem. On another driving experience at night, the vehicle again lost its throttle, had no power, and the lights went completely out. Within 3-4 minutes I started the vehicle and it ran as it should. Do you have any idea what may be the problem?

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Posted on Jan 02, 2017

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SOURCE: Car Runs and Loses Power and Quits Running

Try cleaning the fuel pump filter. Under the seat behind the driver lift the carpet and you will find a round cover with six screws remove the cover. The fuel pump is directly below unscrew the retaining round plate and remove the pump. At the base of the pump is a small filter if it is covered in black muck that's your problem. clean and replace. job takes about 10 mins good luck. please let me know how you got on!

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Posted on May 08, 2009

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SOURCE: vehicle momentarily loses power while driving then resumes

Sounds like an electrical issue maybe the plug from firewall to cab is loose or on computer is loose, sometimes those coonections or pins get loose,i had a new car with 200 miles on it and it went dead in heavy traffic,had to get towed to dealer they found loose connection!!!!With audible noise when happens tells me its wiring,check all connections and wires to connections make sure there not loose!!!Best of Luck to you!!!!!

Posted on Aug 12, 2009

jturcotte
  • 8522 Answers

SOURCE: I have a 2002 rendezvous.

Your PCM controls the alternator and could be the problem. Get the car started and check the voltage at the battery. It should be steady and above 14 volts. If below 14 volts or jumping around, suspect the PCM or perhaps wiring issue. Especially check the connector at the alternator. Take it off and look at both sides for bent pins or loose terminals. Also look over the cable/fusible link from the alternator to the battery. If it shows any lack of stiffness along it's length, suspect an intermittent open and check with a ohmmeter. If you have questions, please let me know.

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Posted on Oct 18, 2010

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Battery dead, jumped, check engine light, code p2101


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How do i fix?


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Read more: http://engine-codes.com/p2101.html#ixzz3TSLXQeXn
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