Question about Isuzu Rodeo

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I have a 1999 ISUZU RODEO, scaning brings up multiple misfire but the plugs and coils are new. what should I try

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  • larry_mcnair Sep 11, 2009

    yes this solution was very helpful, I went over all the vacum lines and found that one on the 4 wheel drive switching motor was broken off. thank you very much

  • larry_mcnair Sep 11, 2009

    yes this solution was very helpful, I went over all the vacum lines and found that one on the 4 wheel drive switching motor was broken off. thank you very much

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Ok just because the plugs are new and the coils that may have nothing to do with the ramdon misfire code which i assume is P0300, here is a general summary of cauises of ramdom missfires.

loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure,
A Random Misfire code usually indicates a vacuum leak or bad fuel
additional reasons are dirty poorly flowing fuel injectors

Posted on Sep 10, 2009

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1 Answer

Multiple misfire on my 03 rodeo izusu. spark plugs and wires, coil pack,coolant sensor changed. Not sure what else there is I can do.Any one having the same issue ? Help


In brief, you need spark at the right time, fuel, and compression to have power.
You would need to know if you have all three on all cylinders.
This would include fuel injectors and engine valves.

Jan 30, 2013 | 2003 Isuzu Rodeo

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1997 isuzu rodeo 5 misfire i changed the coils from 3 to 5 and still the same problem. i have no lose wiring. what do i do


Replace the spark plugs and plug wires is your next step unless you have already done this.

Sep 28, 2011 | 1997 Isuzu Rodeo

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Installed an engine from a 1999 isuzu rodeo into a 2000 isuzu rodeo. But wiring harness to coil package is different it does not seem to be making contact to spark plug and engine is missing fire. engine...


Hi,

Thank you for contacting fixya.com.

Since the spark plug is not coming in contact the engine light is flashing. Otherwise take your car to the nearest auto zone and check if any code is stored in the computer or not to get it fixed. However a flashing engine light means the ECU has detected a misfire strong enough to damage the catalyst in the cat.

Please get back to us if you have further query else please accept the suggestion.

Jun 27, 2011 | 2000 Isuzu Rodeo

1 Answer

1996 isuzu rodeo keeps reading #2 misfire runs good xcept when cold it hesitates most times or jus occasionally hesitates then the check engine light flashes and its guzzling gas i only got 50 miles on a...


A misfire alarm typically means the coil pack mounted above the sparkplug indicated in the misfire had gone defective.

To test it, swap the coil pack with another cylinder, and see if the misfire goes from #2 to the cylinder you put it on.

If the misfire continues to be on #2, then consider changing the sparkplugs.

I hope this helps.

May 14, 2011 | 1996 Isuzu Rodeo

1 Answer

1999 isuzu rodeo is misfiring aome of the


when a coil goes out the other ones are usually right behind the one that failed ive seen them go out as fast as going around the block luckly the costumer was right there when it happened and he had us replace all eight of them.

May 30, 2010 | 2001 Isuzu Rodeo

1 Answer

1999 isuzu 3.2 misfire


This could be a problem with the spark plug wires. If resistance is high or the boots have carbon tracks, they could be causing spark to go places it shouldn't. Distributor cap?
Make sure places like that are clean and dry. Check for grease or dirt inside spark plug boots. If all else fails, open the hood in the dark and look for sparks jumping around the engine when you rev it up. If so, replace the plug wires.

May 19, 2009 | 1999 Isuzu Rodeo

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