3.4 Swaps The 3.4 V6 Toyota engine

misfire

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Old 12-13-2008, 06:20 PM
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misfire

when i drive the truck for awhile it seems like its misfireing, would a bad or non adjusted tps cause this?
Old 12-15-2008, 06:12 AM
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anyone?
Old 12-15-2008, 06:22 AM
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Yes, But so cany many other sensors and electrical components on the truck.
Check your grounds in your engine bay first..
Then pull codes..


Old 12-15-2008, 11:18 AM
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yeah i double checked me tps sensor it wasnt tight, i still need to adjust it, and ill have to get the obd plug hooked up, then pull the codes and check the grounds
Old 01-05-2009, 09:42 AM
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still doing it, this is what happens, i start the truck, runs fine drive to the gas station turn it off, get a beverage hop back in start it up MISS runs like crap, start driving home a few miles done the road it clears up. this happens when i turn it off and restart it any sugestions?
Old 01-07-2009, 03:04 PM
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had the truck scaned today, cylinder 6 misfire. thats all the codes. does any one know how many ohms the coil, injector, and spark plug wire are suppose to be?
Old 01-08-2009, 11:40 AM
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f@*king injector
Old 01-09-2009, 05:28 AM
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for anyone that has a misfire i suggest checking the injectors, my number 6 injectors was bad/clogged, i took it out ran cleaner through it and blew it out with compressed air backwards and forward while cycling it on and off with a switch hooked to power. so far truck runs great
Old 01-09-2009, 05:47 AM
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Looks like you don't need it anymore, but the injector resistance should be 13.8 Ohms and the spark plug wires should not be above 25 K Ohms per cord according to Alldatapro.com for a 5vz-fe.

Forgot about the ignition coils...

Primary Coil
Cold: 0.67-1.05 Ohms
Hot: 0.85-1.23 Ohms

Secondary Coil
Cold: 9.3-16.0 K Ohms
Hot: 11.7-18.8 K Ohms

Last edited by nv4runner; 01-09-2009 at 05:52 AM.
Old 01-10-2009, 06:57 AM
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thanks man good to know for future referance
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