Author Topic: 90 yota has bad miss.. replaced alot of stuff  (Read 1300 times)

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norcalblake

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90 yota has bad miss.. replaced alot of stuff
« on: Apr 16, 2008, 04:06:22 PM »
    Ok here we go...what i have is 90 yota v-6 (damn i hate 3.0) auto,4x4. I replaced the motor in it a couple years ago with a reman longblock cuz i blew it up. Last summer the distributer caught fire and i havent been able to get it to run right since,yes it sits alot inbetween me working on it. The only code is for a knock sensor which i have replaced the sensor, short sensor wire and have inspected the harnes to be ok, but cant get rid of code. IT has a new distributer, plugs, plug wires, cap, and rotor. It misses between 1400 and 2500 rpm, and i cant even get the timing mark to line up with out going outside the distributer stops. I have verified that cyl 1 is at tdc with the crank pulley, cams, and distributer. the most advance i get is 5 deg when i need 10... however if i change the timing of the disrtributer by one tooth the least amount of timming i can get is 14 deg. the timming mark also jumps iratticly when the motor starts missing. Im starting to question the ecu because it is in charge of the electronic advance and the knock sensor code even tho the wiring and sensor are fine, however i was hoping for some input as ecus arent a 100 dollar part... any help is welcome thank you

lucky7

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Re: 90 yota has bad miss.. replaced alot of stuff
« Reply #1 on: Apr 16, 2008, 04:25:31 PM »
 change the ignitor it fixed mine after ecu,distributer,cap,rotor,wires,plugs and took a year too give a code oh and tps. :maddest:

Plowking

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Re: 90 yota has bad miss.. replaced alot of stuff
« Reply #2 on: Apr 21, 2008, 07:20:08 PM »
Just a thought but when I Was running my truck with a miss, my driving it actually made the timing belt jump a tooth. Just one thing of many stupid problems. check out this feed hope it helps
http://board.marlincrawler.com/index.php?topic=36344.0;highlight=plowking
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

 
 
 
 
 

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