Question about 2005 Chevrolet Colorado

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WHAT WOULD CAUSE MY 2005 COLORADO RPMS DROP BELOW 500RPM,S AND ALMOST STALL?

WHEN I AM COMING TO A STOP MY TRUCK ACTS AS THOUGH IT IS GOING TO STALL. ONCE IN A WHILE IT DOES. WHEN IT DOES NOT STALL THE RPM'S FALL BELOW 500 AND THEN CORRECTS ITSELF

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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cadman000
  • 607 Answers

SOURCE: Rattling under my colorado truck when I come to a stop?

chek exhaust system mufflers , catalytic convertor. When car is COLD take a rubber mallet and smack these items. Listen for the rattling noise. Hope this helps

Posted on Apr 19, 2009

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  • 88 Answers

SOURCE: Stalls when placed in reverse

well you have convertor lock prob prob a sensor for trans let me know hey till fix ya bouy me ok

Posted on May 23, 2009

ourhowse
  • 2007 Answers

SOURCE: when driving my 2005 trailblazer my rpm's keep

Either fuel filter or idle control sensor.

Posted on Sep 10, 2009

  • 326 Answers

SOURCE: 1998 Monte Carlo (Z34) stalls when braking/RPMs rise then drop

ON THE SIDE OF THROTTLE BODY IS THE IDLE AIR CONTROL MOTOR GENERALLY HELD IN PLACE WITH TWO TORK SCREWS REMOVE SCREWS AND SLIDE OUT OF THROTTLE BODY THERE IS A PLUNGER ON END OF IAC MOTOR CLEAN IT GOOD AND THE SEAT UP IN THE THROTTLE BODY AND RE-INSTALL THIS MAY HELP TO ALLEVIATE SOME OF THE FLUCUATION IN RPM,S CLEANING CAN BE DONE WITH CARB SPRAY AND A OLD TOOTHBRUSH

Posted on Apr 11, 2010

Testimonial: "The info on my idle speed control was correct, it was broke beyond repair. Replacing it fixed it for a whole 20 minutes. After that I changed the EGR Valve and the Mass Air Flow Senser. Everything runs fine now -no stalling."

johnjohn2
  • 5763 Answers

SOURCE: engine stalled out,would not start,

This truck is fuel injected, the problem sounds like a weak fuelpump, it runs when you pour gas into it until that gas runs out, the first thing is to test the fuel preasure, if the pump is weak it may run with gas poured into it but wont idle, also a common problem is the coolant temp sensor and the ground wires to thermostat housing bolt but i wont bet its the pump inside the fuel tank, if you put a fuel gauge on it there should be at least 55-61 psi if its a few pounds lower it can cause problems, you have everything else and it runs with gas poured so its a fuel problem check the preasure, theres a valve up top on the fuel line to connect a fuel gauge to it, start there hope this is helpful.

Posted on Dec 27, 2010

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1 Answer

My 1993 Subaru Impreza intermittently stalls while stopped and sometimes appears to do so while driving.


sounds like fuel delivery problem, have pep boys tell you what codes are if you dont have diag tool. if its fuel pump, easy fix, under car, not in tank

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After my truck warms up, when rpms drop below 1000 oil pressure lite comes on


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My 2005 chevy cobalt rpm drops very low when coming to a stop. I changed the Oil and Plugs and it helped a little bit. PLEASE HELP


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Jun 08, 2012 | 2005 Chevrolet Cobalt

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My rpm's raise and drop at a stop and engine stalls when i turn ac off


We need to know the model, year, engine size, and the actual trouble code to really help you; but I provide some generic tips at the link below. Do not replace the sensor until the problem is properly diagnosed. O2 sensors rarely cause stalling. Get the computer scanned and ask them to find any historical or pending trouble codes. Write them down and post them here.
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Aug 23, 2017 | Cars & Trucks

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When coming to a stop my Dodge Ram 2005 wants to and at times stalls. While putting on the brake and just prior to stopping the RPMs drop and the truck will stall, sometimes if I let up on the brake and...


It could be caused by a throttle body issue or an EGR valve problem, but it sounds more like your transmission torque converter clutch may be locking up. This can be cause several reasons. I'll list the most common. First check your transmission fluid. If its low it can cause the torque converter to lock up at low speeds. Next, if the transmission is a 545RFE the problem could be caused by the trans filter leaking at the seal. You will need to drop the trans pan and inspect the seal. There is a round filter and a flat one. The seal is up in the transmission where the flat filter plugs into the transmission. A new filter from Dodge will come with a new seal. These are the two most common causes of torque converter lockup. Try and slip it into neutral when you come to a stop and see if it dies. May be more of an indication of a torque converter lockup condition if it does.

Apr 21, 2011 | 2005 Dodge Ram

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2005 freestar driving down the road suddenly starts stumbling rpms drop and emission light comes on then dies. Scaned it but says nothing is wrong


The check engine light will always come on when the engine stalls.It could be your fuel filter needs replaced or your fuel pump is going out. The fuel pumps can heat up and stop working, then after they have a chance to cool off they will work just fine until they get hot again.

Sep 14, 2010 | 2005 Ford Freestar

2 Answers

1998 Monte Carlo (Z34) stalls when braking/RPMs rise then drop


ON THE SIDE OF THROTTLE BODY IS THE IDLE AIR CONTROL MOTOR GENERALLY HELD IN PLACE WITH TWO TORK SCREWS REMOVE SCREWS AND SLIDE OUT OF THROTTLE BODY THERE IS A PLUNGER ON END OF IAC MOTOR CLEAN IT GOOD AND THE SEAT UP IN THE THROTTLE BODY AND RE-INSTALL THIS MAY HELP TO ALLEVIATE SOME OF THE FLUCUATION IN RPM,S CLEANING CAN BE DONE WITH CARB SPRAY AND A OLD TOOTHBRUSH

Apr 10, 2010 | 1998 Chevrolet Monte Carlo

1 Answer

My 1996 GMC jimmy wants to stall when I come to a stop. The RPM gage goes up & down then drops below 1000 RPMS and stalls.


I would go down to your local auto parts store and do an alternator and battery test. It sounds like at low rpms you are loosing volts. When you apply the brakes you would be supprised how much power from the engine it takes. You could also be loosing oil pressure. Check your oil level. When your engine drops low rpm, the oil pressure drops and shuts down the engine.

Jan 09, 2010 | 1996 GMC Jimmy

1 Answer

Trouble with my rpms


Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Apr 13, 2009 | 2004 Chevrolet TrailBlazer

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