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Geo engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1997 Geo Metro - Engine - 8/4/2014
    Driving down the road when I take my foot off the excel raton for more than a moment thecarloosespower.Sometimes
    I can pump the throttle to make it power up other times I need to put in neutral and turn the key over. It appears the injector just stops spraying fuel . Any ideas?
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1995 Geo Prizm - Engine - 7/2/2014
    AC compressor cycles on and off
    When I turn on my AC the engine bogs down and almost stalls. The idle stays low and my alternator voltage drops from 14vdc to 12vdc when I turn on the AC. If I drive the car the AC keeps cooling but when I push in the clutch at a stop sign the engine drops down to ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1995 Geo Prizm - Engine - 7/2/2014
    AC compressor cycles on and off
    When I turn on my AC the engine bogs down and almost stalls. The idle stays low and my alternator voltage drops from 14vdc to 12vdc when I turn on the AC. If I drive the car the AC keeps cooling but when I push in the clutch at a stop sign the engine drops down to ...
     
    0 answer
  • Gordon
    Gordon - 1997 Geo Prizm - Engine - 6/24/2014
    1997 Geo Prizm cylender 1 misfire has gas and spark check engine light is not on and no other warning lights on replaced
    1997 Geo Prizm cylender 1 misfire replaced ecm just started check engine light is not on no other warning lights are on.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1996 Geo Tracker - Engine - 6/23/2014
    I've got a 96 geo tracker that when I place it into park, the ECU fuse blows. Will run fine if started in neutral.
    took shifter apart and everything seems fine.
     
    0 answer
  • jlofwash
    jlofwash - 1992 Geo Tracker - Engine - 6/17/2014
    Does the head of this car have freeze plugs in the center valley? water seeping in!!
    seems to becoming from the one between the no 1 intake and exhaust valve, can this be replaced?
     
    • alex
      6/17/2014 alex
      no they don't it's a head gasket or a crack somewhere.
  • AutoMD Member
    AutoMD Member - 1994 Geo Prizm - Engine - 6/5/2014
    Why does my car die when I start from a stop when my engine is warm sometimes
    I have replaced the fuel filter,cap and rotor and it has helped some but it is still dying
     
    0 answer
  • Charles F Widmer Sr
    Charles F Widmer Sr - 1994 Geo Tracker - Engine - 3/10/2014
    How to turn off "Check Engine " light?
    it's always on whenever it's running. started bout 30 days ago. diagnosis showed "Oxygen Sensor", so i changed it. I will persue the OBD code.
     
    • Jimm
      3/10/2014 Jimm
      The check engine light is located on the dash and stays on if the computerized engine control system detects an engine performance or emissions problem.

      First step - have the stored fault codes or check engine light scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA, etc. Then, post a reply as 'add answer' with the specific code for more assistance. There may be a fault code stored in the OBD memory which may not be displayed as a check engine light. There are literally hundreds of possible fault codes and therefore numerous reasons for the MIL condition.

      This step is important - retrieving the stored fault code and relaying this detail - will provide good information to assist in diagnosing and repairing the issue you are having.
  • AutoMD Member
    AutoMD Member - 1996 Geo Tracker - Engine - 3/3/2014
    Have a 96 geo tracker motor blew up..got anouther motor out of a 94 tracker,,both motors are 16v motors..
    my question is the 94 motor has no crank sensor the 96 has one...i know the sencor is in the oil pump. can i put the oil pump off a 96,16v onto a 94 16 value motor so i can have the crank sencor......or did they make a 94 motor oil pump with a crank sencor in ...
     
    • Jimm
      3/3/2014 Jimm
      The crankshaft position sensor is located in the distributor - not the oil pump. The '94 engine does not use the position sensor, but the '96 engine does.
      Best to use the same year engine as the replacement - too many differences.
  • Bruce
    Bruce - 1993 Geo Prizm - Engine - 2/4/2014
    Why does Red Engine Elec System light go on intermittently & the car engine die?
    212,000 miles. 5 speed manual transmission. 2 wks ago, driving at 30mph, the car had a slight jerk & red light came on & off for about 5 seconds. About 10 minutes later the same happened. Yesterday (2-1-14) I was driving for about 10 minutes at 20mph & the ...
     
    • HouseCallAuto
      2/3/2014 HouseCallAuto
      I need to know what light is on. There are no lights that say "Engine Electrical System". I do not want to have to guess what light you are referring to. I suspect that what is happening is the engine is intermittently beginning to stall out and when the rpm drops below a minimum the red oil pressure light will flicker or turn on and off. The cause of what you detail may be a bad ignition coil.
    • AutoMD Member
      2/4/2014 AutoMD Member
      Hummer converter is part of the automobile exhaust system, placed between the engine and the muffler. It reduces the toxicity of emissions from internal combustion engines.
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  • AutoMD Member
    AutoMD Member - 1993 Geo Prizm - Engine - 1/12/2014
    Out of the blue the car wouldn't start. Initially it tried to turn over but diminished to a single click and buzz.
    I've replaced the starter and battery and when I hotwire the starter from the battery it won't start. My friend said it sounded like fuel was getting to the engine when I turn the key..
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1993 Geo Prizm - Engine - 1/12/2014
    Out of the blue the car wouldn't start. Initially it tried to turn over but diminished to a single click and buzz.
    I've replaced the starter and battery and when I hotwire the starter from the battery it won't start. My friend said it sounded like fuel was getting to the engine when I turn the key..
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1996 Geo Tracker - Engine - 12/14/2013
    Hesitation and lack of power
    replaced egr valve, fuel filter, distributor cap and rotor, spark plugs, wire. check engine light on P0300.
     
    • Jimm
      12/14/2013 Jimm
      P0300 = Random cylinder misfire

      For the misfires

      It may mean that one or more of the following has happened:

      Faulty spark plug or wire
      Faulty coil (pack)
      Faulty oxygen sensor(s)
      Faulty fuel injector
      Burned exhaust valve
      Faulty catalytic converter(s)
      Running out of fuel
      Poor compression
      Defective computer
      Possible Solutions

      If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

      If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
  • AutoMD Member
    AutoMD Member - 1990 Geo Tracker - Engine - 12/10/2013
    90 tracker wont start when cold
    i have to use starting fluid to get tracker started when cold but starts fine once its warm
     
    • HouseCallAuto
      12/10/2013 HouseCallAuto
      I believe that the Suzuki Sidekick is the same as a Tracker. Here is a TSB that seems to detail what you are experiencing. Can't say if this fix is a sure thing. Try reading it. here is the link to it >> http://suzuki.workshop-manuals.com/.../index.php

      Although this document talks about possible flooding as a cause for this hard start, while you say that your fix is to add fuel so not sure here. Don't overreact to this document if it don't fit what you have goin on.
  • AutoMD Member
    AutoMD Member - 1997 Geo Tracker - Engine - 12/10/2013
    Why do i keep getting this whistling sound from my engine?
    The whistle is there while driving and sometimes when i first start the vehicle.It will not stop whistling on it's on. It seem to stop when i turn the heater off and on.other times it's just whistle the whole while driving.
     
    • Jimm
      12/10/2013 Jimm
      First step - raise the hood while the engine is off and cold. Visibly check all the vacuum hoses and tubes routing from the engine. The whistle noise sounds when there is a slight vacuum leak - such as a vacuum hose has a small crack.

      Then as next step - start the engine, and if the vacuum leak or cracked / damaged hose is no yet located - use a mild water / soap solution in a spray bottle - spray the same vacuum hoses - while moving / jiggling the hoses one at a time.
      The idea here is to induce a change in how the engine runs; if the spray and monentary seal causes the engine to run differently - then you have found the leak.

      Another test involves using a vacuum guage attached to the engine manifold vacuum (say off the intake manifold) to view the engine vacuum at idle speed - then apply the same tests as described above.