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Isuzu engine repair questions and answers

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  • cookie
    cookie - 2002 Isuzu Axiom - Engine - 11/9/2014
    When fuel gets half tank low fuel light comes on and guage goes to empty and check engine light goes on
    when filled back up it resets
     
    0 answer
  • garnett
    garnett - 2000 Isuzu Rodeo - Engine - 11/9/2014
    Why is this overheating
    109 thousand miles and will over heat new thermostat
     
    • CVO
      11/9/2014 CVO
      1. Loss of coolant because of a coolant leak is probably the most common cause of engine overheating. Possible leak points include hoses, the radiator, heater core, water pump, thermostat housing, head gasket, freeze plugs, automatic transmission oil cooler, cylinder head(s) and block.

      Make a careful visual inspection of the entire cooling system, and then PRESSURE TEST the cooling system and radiator cap. A pressure test will reveal internal leaks such as seepage past the head gasket as well as cracks in the head or block. A good system should hold 12 to 15 psi for 15 minutes or more with no loss in pressure. If it leaks pressure, there is an internal coolant leak (most likely a bad head gasket but possibly also a cracked cylinder or engine block).

      It is important to pressure test the radiator cap, too, because a weak cap (or one with too low a pressure rating.

      2. Air pockets trapped in the cooling system can cause the engine to overheat. Some cooling systems have air bleed valves built into the system to aid in the removal of air pockets. Advice: For many cooling systems, the method of removing air pockets is to start the engine and allow it to run with the radiator cap off or loose until all the air escapes from the neck of the radiator. For some systems this method is not sufficient, and the manufacturer has installed air bleed valves usually near or on the thermostat housing.
  • denise72
    denise72 - 2007 Isuzu Ascender - Engine - 10/26/2014
    How hard is it to repair a gas sensor?
    Gas light comes on when there is gas in tank.
     
    0 answer
  • denise72
    denise72 - 2007 Isuzu Ascender - Engine - 10/26/2014
    How had is to repair a gas sensor problem.
    Gas light comes on when take is not empty.
     
    0 answer
  • hammer53
    hammer53 - 1988 Isuzu Pickup - Engine - 10/15/2014
    Starts but shuts off 2 seconds after will not run
    replaced switch same problem
     
    0 answer
  • sampleman
    sampleman - 2000 Isuzu Rodeo - Engine - 10/5/2014
    Why im i losing power
    starts and runs for about 10 miles then no power anywhere no power in engine or in electric like wipers or windows dies and wont start back jump start right up but then does same thing put new altonater in but still no change
     
    0 answer
  • wags04
    wags04 - 1987 Isuzu Pickup - Engine - 9/10/2014
    My Pickup will idle very low and almost stall out.
    The engine will idle at about 600-800rpm, then almost stall out at 300-500rpm, then goes back to 600-800. The timing of the fluctuation is very consistent. I just put new plugs in last night but it was doing this before I put the plugs in. It is a manual, at the low ...
     
    • 1991IsuzuTX
      9/10/2014 1991IsuzuTX
      My 1991 Isuzu 2.3L truck is doing the exact same thing, except it is also idling very rough. It stalls most frequently when I am decelerating. I found one cylinder misfiring. Replaced all plugs, sparks, distributor cap, and rotor to no avail. Did you find the answer to this problem? I'll post if I can figure this one out.
  • Olli
    Olli - 2000 Isuzu Rodeo - Engine - 9/1/2014
    How do u align camshaft with single and double marks
    camshaft alignment
     
  • AutoMD Member
    AutoMD Member - 1998 Isuzu Rodeo - Engine - 8/6/2014
    "i have a 98 isuzu rodeo LS which is a 3.2 Liter engine. The vin number is 4S2CM58WXW4324246. Is the engine one interfer
    just want to make sure it can be replaced
     
    0 answer
  • kenaidog
    kenaidog - 2000 Isuzu Rodeo - Engine - 6/28/2014
    I keep getting a link error on my code reader. Connection is good.
    Previous owner changed ecm so I don't know if it was programmed or not. Also just replaced fuel pump and no power when turned over. Last one did same thing. Any suggestions?
     
    • jdl
      6/9/2014 jdl
      Did you test drive the vehicle before you bought it? Please tell me, you didn't buy a vehicle that wouldn't run?

      The generic info says if you replace computer on vehicle 96 or newer, you have to have it programmed by dealership.

      As far as the datalink connector, generic obd2, pin 16 has to have voltage or the code reader won't work.
    • jdl
      6/9/2014 jdl
      Just to add, pin 16 gets voltage from horn fuse. One way to check if computer is awake, check for ref voltage at any sensor that uses a ref voltage. The ref voltage usually goes hot with key on.
      jdl
      6/27/2014 kenaidog
      The problem was the ecm. Opened it up and found a burnt spot. Checked grounds and looked for shorts. Replaced ecm and rodeo runs like it is new. Code reader works great and power to the fuel pump.
    • jdl
      6/28/2014 jdl
      Glad you got it going your way. Good job.
  • AutoMD Member
    AutoMD Member - 2001 Isuzu Trooper - Engine - 6/24/2014
    Why does my car kick when its changing into the next gear
    mileage is 130000 while i was driving this morning the car was kicking as it was going into the next gear and as i was slowing down. this is the first time this has happened.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Isuzu Trooper - Engine - 6/24/2014
    Why does my car kick when changing gears
    mileage is130000 as I was driving this morning the car kicked several times as it was changing into the next gear and as I was slowing down. This is just started to happen.
     
    0 answer
  • kenaidog
    kenaidog - 2000 Isuzu Rodeo - Engine - 6/9/2014
    Do I need to program a ecm that was installed? Is this why my fuel pump has no power?
    Getting link error on my code reader and connection is good.
     
    0 answer
  • GCabreira
    GCabreira - 2003 Isuzu Rodeo Sport - Engine - 5/28/2014
    Why does fuel pump fuse keeps cutting.
    when car gets hot and I"m driving the fuel pump fuse just cuts. changed the fuel pump relay.
     
    • CVO
      5/28/2014 CVO
      The fuel pump may fail as a result of contamination inside the fuel tank (dirt or rust), fuel starvation (running out of gas), overheating (always driving with a low fuel level), low voltage (wiring problem), or overwork (trying to overcome a restriction caused by a plugged fuel filter).
      The harder a pump works, the hotter it runs and the more amps it pulls through its power circuit.
      Check the fuel filter, if the problem still persists and the fuel pump isn't new, replace it as necessary.
      CVO
      6/1/2014 GCabreira
      Thank you I will change the fuel filter first and see what happens.
  • AutoMD Member
    AutoMD Member - 2004 Isuzu Rodeo - Engine - 5/19/2014
    Fan moter in front of radaitor does not come on when over heating [ sitting in trafic ]what makes it turn on ?
    where is sensor located?
     
    • Jimm
      5/19/2014 Jimm
      Several possibilities; faulty radiator fan switch, faulty fan temperature sensor. The coolant temperature sensor is located on the side of the radiator, or on the intake manifold near the upper radiator hose. The sensor itself is easily replaced - and costs less than $10.00 from most on-line auto parts sources; www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com, www.pelicanparts.com - to list only a few possibilities.