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Chevrolet engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1984 Chevrolet K30 - Engine - 7/28/2014
    Suddenly starts missing and won't idle then just as quickly starts running perfect again..
    Changed fuel filter and egr valve ...no help..
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2009 Chevrolet Aveo - Engine - 7/28/2014
    My car shakes when i give it gas and skakes harder when i stop on a light.
    a lite goes on saying hold and theres the engine icon on.
     
    0 answer
  • cole
    cole - 2001 Chevrolet Silverado 1500 - Engine - 7/28/2014
    Stutter in the engine when driving
    When driving and cruising on the interstate my engine acts likes it miss fires and stutters sometimes it's soft and other times it's a rough stutter
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2005 Chevrolet Impala - Engine - 7/26/2014
    Diagnostics shows injector problem
    diagnostics shows i have a problem with one fuel injector . Can i just have that one changed or do i have to do them all?
     
    • CVO
      7/26/2014 CVO
      One is good enough.
  • Mikhail
    Mikhail - 2000 Chevrolet Express 1500 - Engine - 7/25/2014
    Diagnose ignition problem.
    Fuel pump is functioning, and gas is smelled. Was not starting or staling, with a code of P1351. Changed the ignition switch and wiring kit. Now, there is no code, it cranks, but not start. Battery tested good with enough amps to crank,. Also Alternator and ...
     
    • Chevy doctor
      7/25/2014 Chevy doctor
      First check to see if you have spark at the plug wires. Usually a distributor cap and rotor issue.
      Chevy doctor
      7/26/2014 Mikhail
      Thank you. In February we made a full tune which included new plugs, wires, cap, rotor, and coil. They prove to still be good. From the many starts, battery was down. So we gave it a deep charging for about 12 hours, and at 100% charged, it still does not start.
      Fuel pump works. Pumping pedal floods. At times pumping pedal seemed like trying to start but backfires, and don't. So fuel gets there. Did not check pressure. Could it be the injectors or an electric path?Shouldn't they produce a code?
  • ssteelbill
    ssteelbill - 2002 Chevrolet Impala - Engine - 7/25/2014
    Location of crank position sensor
    my car is not starting
     
    • Chevy doctor
      7/25/2014 Chevy doctor
      Located on side of block or around back side of crankshaft harmonic balancer (pulley)...
  • AutoMD Member
    AutoMD Member - 1997 Chevrolet Cavalier - Engine - 7/23/2014
    Car stopped completely while driving; I turned it off and waited a few then tried to start it back up but it wouldn't?
    The lights, radio and all came on when i tried to start it but it wouldnt actually start up
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Chevrolet Astro - Engine - 7/23/2014
    Oil on dipstick is light brown. Is it worth it to fix? Has 150,000 miles and still drives fine.
    Most likely head gasket and water pump otherwise van drives fine.
     
    • Jimm
      7/23/2014 Jimm
      Not sure of the overall vehicle value - that is ultimately your decision. You can obtain the repair cost estimate from the AutoMD website for your vehicle - to help you decide what is best in your circumstance.
  • jojo
    jojo - 2006 Chevrolet HHR - Engine - 7/23/2014
    My car will start.. I had recall work done on the ignition switch and lock cylinder, now it still will not turnover?
    Bought new battery and changed the alarm system fuse..
     
    • Jimm
      7/23/2014 Jimm
      Check with the same dealership that performed the recall work on the ignition switch - the GM ignition switch issue is a well known recall for multiple models and model years. The dealership would be the first place to start.
  • jojo
    jojo - 2006 Chevrolet HHR - Engine - 7/22/2014
    My car will start.. I had recall work done on the ignition switch and lock cylinder, now it still will not turnover?
    Bought new battery and changed the alarm system fuse..
     
    • carhauler
      7/22/2014 carhauler
      All I do is haul brand new Chevy's for a living . Ok ok . Stop laughing now . But I deal with all the dealers . First thing is call the dealer that did the work . Tell them what is going on . Take it back to them or make them come get it . If all this took place just after the switch was replaced . Chances are they go hand in hand .
    • Chevy doctor
      7/22/2014 Chevy doctor
      I perform these recalls about 10 a day. There were a few of the new switches and some bad keys made. For some reason the ones I had issues with myself were 2006 hhr.
  • dj
    dj - 2011 Chevrolet Silverado 1500 - Engine - 7/22/2014
    Hesitation when accelerating . slow to get up to speed after completely stopped
    Vehicle will accelerate fine when already driving on the road . ibrecently replaced the throttle body.
     
  • AutoMD Member
    AutoMD Member - 1991 Chevrolet C1500 - Engine - 7/22/2014
    Why does my truck start and run properly, but after 20 minutes or so it dies on me?
    My truck will start and run properly, but after 20 minutes or so, or after cruising 3-4 miles it dies on me. The ignition and starter still turnover but nothing fires back up. Then, if I take a break from it for 24 hours and return to it the next day, it starts ...
     
    • jdl
      7/22/2014 jdl
      If it cranks good but won't start, have a helper crank it, while you visually check for spark at the spark plugs. You can carry a spark tester in the glove box, it won't get hot, wear gloves, pull spark plug wire off the spark plug. Use spark tester in plug boot, ground tester to metal part of engine, engine cranking, watch for spark to jump.

      What about proper fuel pressure? If your tbi fuel injection, can you see an injector spray pattern, engine cranking? Check for an injector pulse. Check for applicable trouble codes, your obd1, so you can check codes, yourself. You use a jumper wire at the A & B terminals on your datalink connector. Turn key just till the dash lites come on, no further. The mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes.

      Your brother could be correct.
      jdl
      7/22/2014 jdl
      Just to add, with intermittent issues, you need to test when problem is ongoing.
    • carhauler
      7/22/2014 carhauler
      Your brother in law hit it right on the head . It is very commen . And on an older pickup very cheap to replace . Less than $100 for a new module . Just helped a kid with a little car with a 2.2L making almost 300 hp . wouldn't make it a mile or 2 and die . A half an hour and $89 bucks back to running like no little car should . BUT VERY FUN TO DRIVE !!!!!
  • robster186
    robster186 - 1991 Chevrolet Camaro - Engine - 7/22/2014
    I have a '91 Camaro Z28 5.7 TPI. When it warms up, it stalls out sitting at a light or a stop
    does it when warm. i have changed the fuel tank, pump, idle control module, upper and lower injector o rings, fuels rail seals, fuel regulator, TPS senor, coil, wires. plugs, cap, rotor,fuel filter, ignition module,steering columns, bypassed the VATS, reset the computer
     
    • Spoon Sports
      10/24/2011 Spoon Sports
      Spoon Sports
      10/25/2011 robster186
      Thank you very much. i also am in thirdgen, but I havent received any suggestions from there as of yet.
    • Noel
      7/22/2014 Noel
      I have the same car and if I drive around for 30 min the fuel pump starts getting loud and eventually the car dies. I let it cool down and it starts up and I race my ass home. Someone told me if could be the fuel is boiling and causing a back pressure to the pump. I removed the gas cap and there was more pressure than usual. when I am going at a good speed its fine, but when I slow down to make a turn it wants to die like its getting no fuel. Hopefully someone knows an answer I replace the fuel pump so many times all ready.
  • Noel
    Noel - 1991 Chevrolet Camaro - Engine - 7/22/2014
    When I drive around for about 30 min the fuel pump starts getting loud.
    If I drive more it gets louder and eventually cuts out. it does run hot I am in Las Vegas, I have to check the fan if it is working also. Someone said that it could be the fuel is boiling and causing back pressure. I pulled the gas cap off and it had a lot of ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1995 Chevrolet C1500 - Engine - 7/22/2014
    What is wrong when my truck starts normally but quits as soon as put into reverse?
    battery light and check gauges light comes on when its put into reverse. Battery is about 4 months old. Just started yesterday. This past week has also been slow to accelerate.
     
    • jdl
      7/22/2014 jdl
      I'd have to check the battery and charging system. Do you have a digital multimeter so you can do some testing? Some of the national brand auto stores will test these systems for you, if you can get it down there?

      How long since a tune-up? Does the vehicle idle ok in park? In reverse, usually you have your foot on the brake and the throttle is closed. Not much load on an engine in park, there is a load in gear.
 
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