Question about 1995 Chevrolet K1500

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1998 chevy k1500 when you downshift the compression doesnt slow the truck until a count of six, it should start slowing right away. Also when you are in 1st gear for example and get above a certain rpm, it acts like throttle is stuck and will continue at that rpm for quite some time, if you push in clutch it seems like it will idle down. Replace the throttle position sensor, any ideas?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

psds4
  • 293 Answers

SOURCE: I have a 88 chevy

is the check engine light on ? if it idling high chances are you have a vacuum leak take a can of carb cleaner and spray the egr valve and if the engine rpm changes replace egr valve the throttle body may also be plugged pull the vacuum line off the map sensor start vehicle and see if you have vacuum if not remove throttl body and clean vacuum passage hope this helps

Posted on Oct 05, 2008

  • 12 Answers

SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

emissionwiz
  • 75797 Answers

SOURCE: truck dies when i stop or slow down

this may be the cause, try it and see if it helps, it is a very common cause of problems like yours.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk 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.

Posted on Mar 03, 2009

  • 398 Answers

SOURCE: engine backfire when decelerating

did you check spark plugs and wires? this would be the first step

Posted on Mar 08, 2009

keemo68
  • 1263 Answers

SOURCE: how to install a throttle position sensor on 93' 4.3 chevy 1500 truck

the two bolts that hold the sensor are torqued to 18 inch pounds. other than that it's self adjusted through the ecm

Posted on Apr 30, 2009

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