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Isuzu. Ignition/Fuel problems


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cowgirlup1061
New User

Dec 13, 2012, 7:43 PM

Post #1 of 5 (1338 views)
Isuzu. Ignition/Fuel problems Sign In

'97 Isuzu Hombre. Started happening when I put it in neutral while slowing down, the truck would shut off. Twice it has shut off while driving at constant speed. The truck did not lurch, I just happened to notice, while my foot was on the gas pedal, the speedometer was going down. I turned the truck off, and back on, and it was fine. Replaced the fuel lines and filter. Let it run for about 20 minutes, in neutral, and it shut off. Put two bottles of Techron, a fuel system cleaner that we were told is the same as GM uses, and ran it through. Gas tank is full. A few months ago we replaced the ignition, and it was fine. Not sure if the coil needs to be replaced, if this is an ignition problem, or a fuel system problem.


nickwarner
Veteran / Moderator
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Dec 13, 2012, 8:13 PM

Post #2 of 5 (1322 views)
Re: Isuzu. Ignition/Fuel problems Sign In

get the codes read and post the exact code numbers here. Not all codes will turn on your check engine light, so even if it isn't on check anyway. I'd hold off on any more additives and certainly don't put any more parts into it until you can determine what is dropping out when this happens. It can be a pain since its an intermittent but right now you don't know if its a fuel problem, spark problem, cam/ crank sensor problem or any one of a few dozen other things.


cowgirlup1061
New User

Dec 13, 2012, 8:21 PM

Post #3 of 5 (1321 views)
Re: Isuzu. Ignition/Fuel problems Sign In

Unfortunatley, we used a code reader and got nothing. The spark plugs and wires have been replaced, as well as the fuel filter, fuel lines, and ignition. Techron was run through the engine. My dad is a mechanic and he's stumped. Just looking for some sort of opinion.


(This post was edited by cowgirlup1061 on Dec 13, 2012, 8:23 PM)


Discretesignals
Ultimate Carjunky / Moderator
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Dec 14, 2012, 6:05 AM

Post #4 of 5 (1286 views)
Re: Isuzu. Ignition/Fuel problems Sign In

When it shut off did any of the warning lights light up in the dash?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Dec 14, 2012, 6:07 AM)


nickwarner
Veteran / Moderator
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Dec 14, 2012, 2:49 PM

Post #5 of 5 (1276 views)
Re: Isuzu. Ignition/Fuel problems Sign In

What is the fuel pressure at?






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