I have a v6 2002 rodeo with 61,000 miles I changed the Spark plugs and now have a check engine light on all the time, and when accelerating the light flashes.

I installed Bosch plugs is this the problem?

I pluged in my friends code reader and it says plug misfirer.

Whats going on?
Help....

Thank You

put the Bosh junk in the garbage that is your problem install Nippendenso plugs

Or use NGK. From what I can tell, most Rodeo guys use NGK. I am putting some in this weekend.

Poke around this or the other isuzu sites. For the 2000-2003 3.2/3.5L (not sure about the 2004's), if you use anything other than denso/nippondenso spark plugs, you will get a check engine light because of the sensitivity of the ignition systems on these trucks.
G/luck
Joel

+2000 Isuzu's and bosch plugs just don't jive. Check my FAQ link below for some plugs that will work.
-Ryan

Thanks for your help I ordered the Denso plugs from St Charles today....


SeaDragon