Question about 1993 Isuzu Trooper

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Ignition miss at low rpm

I have a 93 isuzu trooper that has a miss at low rpms. once I get it above 2000 rpm the miss is gone. can anyone help me with this problem. I've changed the coils and plugs and wires but still no solution to the problem.

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Just an idea that may or not fix it but it's a cheap and a good idea anway... go buy a few bottles of gas line antifreeze and add one now and one at your next fill up and see how you make out


Posted on Dec 18, 2008


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Stalls in gear, shudders while accelerating.. Cannot Resolve.

PO300 code means miss fire on the cylinders, That is usually caused buy bad spark plugs end wires,PO401 code means a problem with the EGR ,Valve Sticking.

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My 2000 Isuzu Trooper runs well. My problem is once I get above 2000 RPM's my engine light flashes.

That means there is a big problem whenever it flashes. You need to get it in and get the code asap. When it flashes, they call that a major issue. Be careful and go asap. Autozone checks for free but you probably need a mechanic.

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When is the last time a tune up was performed on the vehicle? I would get some amsoil engine foam, and use it as described. Also get some fuel system cleaner and use that as well and go from there.
Thank you,

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How to know your automatic transmission is working fine

Auto. Transmition when giving trouble will not change up until R.P.M. has gone over 2500 rpm. Should should change up between 2000 and 2500. When changing it down (pushing accelerator to the floor) it should do this imedietly. Isuzu Troopers have a power button on the console between the front seat's this is for trailer pulling and when it is on.(power light on in Dashboard) then it takes more R.P.M. to change up allowing for trailer weight.

Nov 11, 2009 | 1999 Isuzu Trooper

1 Answer

1992 isuzu trooper 3.2 DOHC 4X4 LOW IDLE GOES UP AND DOWN 750 RPM TO 1500 RPM

I had the same trouble with my 93 Trooper.

I went on a sensor-changing spree.

The one sensor that fixed this idle problem was the throttle position sensor.

You can get one here.

Throttle Position Sensor

It's very easy to change, and fixes the problem instantly.

Good luck.

Jul 22, 2008 | 1993 Isuzu Trooper

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