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Isuzu Rodeo Engine Misfire

10 messages,  Last post on Dec 14, 2011 at 12:52 PM

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What is this discussion about? Isuzu Rodeo, Isuzu Rodeo Sport, Engine, SUV

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#1 of 10 2001 Isuzu Rodeo, v-6, 3.2l by dmiah298

Feb 26, 2009 (12:38 pm)

I just bought my rodeo on Valentines day, and the very next day the check engine light and reduced power light came on. Since I bought it "as is", it was pointless to take it back, plus when we took it to autozone and had the codes ran it showed a misfire and we "assumed" it was a coil and maybe spark plugs also. But after changing coil #6 which was bad, and checking all of the spark plugs just to find that they are brand new- still going to change them- It still misfires. It will run fine for a while, but then when you stop at a light or stop sign the reduced power light will come back on, and you can only get speed up to 20 mph, or it will cut off all together. We figured out that if you pull over, cut it off, cut it on, then off and on again it will clear reduced power light and will drive fine again. I don't know if anyone else has this problem, but I would like some insight if you have any.
Also while driving you can feel it misfiring. RPM's are really low when driving and almost at 0 when at light or stop sign.

#2 of 10 Did you eveer find a solution? by johnreinosa

Jun 12, 2009 (6:21 am)

Did you eveer find a solution? I am having the same exact problem with my 2001 Isuzu Rodeo

#3 of 10 Re: Did you eveer find a solution? [johnreinosa] by dmiah298

Jun 12, 2009 (12:01 pm)

Replying to: johnreinosa (Jun 12, 2009 6:21 am)
First of all it could be one of two problems... Have the idle air control module checked and possibly replaced. These seem to go bad pretty quickly with not much warning. Will definitely cause more issues if not fixed. Secondly... Have the transmission checked out. If you go to AAMCO they will do a free diagnostic internal and external trans check. It turned out that mine had a SERVO GASKET COVER leak. This is not an expensive part. Do not let AAMCO put the part on for you either. They tried to charge me $800 for parts and labor. Call Isuzu- part plus labor = $200. If you call around with that quote, more than likely you will find a shop that is gonna match the price. Good luck.

#4 of 10 Re: Did you eveer find a solution? [dmiah298] by calarice

Apr 21, 2010 (5:16 pm)

Replying to: dmiah298 (Jun 12, 2009 12:01 pm)
I have a 2002 Rodeo. I was having problems with what I thought was the transmission slipping. Would rev up to high rpms all of a sudden when turning right or taking off. I took mine to Aamco for their free trans scan, turned out to be the servo cover as well.....I had them fix it and they only charged me to $125....way off from $800 dmiah LoL. Anyway they also changed my driving belt, total bill was $304.00. Drives fantastic now.

#5 of 10 Re: 2001 Isuzu Rodeo, v-6, 3.2l [dmiah298] by rclark708

May 31, 2010 (8:52 pm)

Replying to: dmiah298 (Feb 26, 2009 12:38 pm)
i have a 97 Honda passport witch has the same 3.2 motor in it. my truck does the same thing. i think that it could be the ignition control module. i have been told that you have to go to a dealer to get one.

#6 of 10 1999 isuzu rodeo v6 by winhto

Jun 07, 2010 (8:44 pm)

For a week now every morning I have to crank my car 3 times before it would start. I'd like to know what is my car trying to tell me? My son thinks it's the fuel pump.

#7 of 10 Re: 2001 Isuzu Rodeo, v-6, 3.2l [rclark708] by winhto

Jun 12, 2010 (5:59 am)

Replying to: rclark708 (May 31, 2010 8:52 pm)
Thanks but did you get it and did it solve the problem? Was the part expensive, and who installed it for you?

#9 of 10 99 RODEO RANDOM MISSFIRE by dennis107

May 22, 2011 (6:12 am)

I HADE ABOUT 12 DIFFERENT CODES SHOWING UP DOWN TO THE RANDOM MISSFIRE. CLUELESS

#10 of 10 misfires by jimmymac3

Dec 14, 2011 (12:52 pm)

I would start with replacing the intake gasket that was poorly designed using bakilite spacer sandwiched between two intake gaskets. Over torguing the intake bolts can crack the spacer allowing a bypass intake air to enter on its side and leaning out the fuel trim causing a misfire. A lot of hard starts, stalling at idle, lean codes, and do not start can be caused by this single item.

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