code 42-broken speedo cable

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10-26-2012, 04:51 PM

dzldust

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Code 42-stumble

1988 V6 3VZE 4runner
I bought the 4runner not running,ended up being cracked heads,so I rebuilt motor ,got it all back in and once got her running I decided it was time for a drive.
Truck had a hesitation /power loss that felt like a distributer with moisture inside.I have checked codes and all I have is a "CEL 42",Everything is plugged back in but the only thing that does not work is the speedo,Its broken at the t-case end.
would this cause the stumble/power loss?I have always had 22r/22re toys and have never run into this problem,did a pretty decent search and never came up with anything cut and dry as a reason for this particular problem.

Last edited by dzldust; 10-29-2012 at 02:57 AM.

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10-26-2012, 05:00 PM

brianh699

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I have unhooked my speedo, and get code 42. I have an 89 4runner 3vze, but I have no power loss. Just check engine light. I think your problem lies elsewhere.

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10-27-2012, 10:36 AM

dzldust

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I think so as we'll,I have the stumble at idle and throughout rpm range,no fuel odor at exhaust,I wish I could test the injectors under the plenum,I hear the ones on the drivers side clicking.

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