Question about 2004 Isuzu Rodeo
Just happened while driving,moderate braking, then as accelerated, i noticed i could not reach 60kph anymore even while gently stepping on gas for boosting. worst is, as u try to play for speed, it decelerates. so i pulled aside to stop awhile, then in 2 minutes, drove off, great, normal driving again, but again unable to attain 60kph and same thing happens again. i hope its not the transmission.
Check your air flow sensor for your efi this also happened to me I replace my sensor and solved the problem just keep it simple you will find the problem
Posted on May 07, 2013
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Posted on Jan 02, 2017
Hello julieta_barr: My name is Roger and I will help you. If this happens after the engine warms up and the engine runs fine cold. I would look at the catalytic converter as the problem. When the converter is damaged the engine can run great cold. As the engine warms up a bad converter will close off and choke the exhaust down. Top speed will drop off dramatically. I would also replace the fuel filter as this could cause a problem. The converter can be checked but you need the equipment to do it. Should you have any questions please just ask. I will be glad to answer them for you. Please rate the quality of the answer as this is how we know you received the correct answer. Thank You for using FixYa. Roger
Posted on May 27, 2009
The throttle-body (or throttle plate inside the throttle-body) is probably gunked-up with carbon deposits and needs a good cleaning.
Take the air snorkel off of the throttle body and look inside while holding the throttle plate open. If you have thick black deposits on the back side of the throttle plate, you can clean it by spraying some throttle body cleaner (Available at any parts store) onto a rag and using an old tooth brush to push the rag, clean all the black gunk out of the area.
I recommend an old tooth brush because using something hard like a screwdriver can scratch the inside of the aluminum throttle body and actually make the throttle stick worse. I don't recommend spraying the throttle body cleaner directly into the throttle body because it can end up in the air plenum where it may loosen some deposits that can cause severe engine damage.
Posted on Oct 17, 2009
No its not full with diesel fuel this is a common shut off on the isuzu. Plus the valve are always noisy . The crank sensor on those go out easy.This may not be the problem.Go to the back have someone crank it ,or if your hearing is great as you crank it do you hear a hummin noise that will be the fuel pump if you dont then the fuel pump will most likely be your problem.If you hear a humming noise as you turn the key on the fuel pump will not be the problem.Now let check spark. do you have a tach on it (the RPM) if you do crank it if it bounces just a tinytiny bit you have spark and the fuel pump will be the problem. Most common Isuzu trooper failure the ignition module
Posted on Apr 21, 2011
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