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08-13-2006, 01:55 PM
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#1 | |
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AF Newbie
Join Date: Aug 2006
Location: ventura, California
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service engine light - fault code P0301
I have a 2000 Tacoma 4 clynder truck, service engine light is on with fault code P0301 on the diagnostic which indicates ignition problem in cylinder 1. I have replaced spark plugs and the combination coil/injector unit for that cylinder. I cleared the fault code and it returned. Truck runs slightly rough on idle. Fuel filter was also replaced. I also used injector cleaner addative to the gasoline. The wiring looks very complex to replace.
Anyone have any other suggestions before I spend alot dough at the dealer??? |
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08-15-2006, 02:14 AM
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#2 | |
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Resident Chemist
 
Join Date: Feb 2004
Location: Rockville, Maryland
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Re: service engine light - fault code P0301
Welcome to the AF!
Here's a troubleshooting chart for a 2RZ-FE/3RZ-FE. Hope this helps (Links go to http://www.deserted1.com/FSM/ Repair Manual 1, Diagnostics): 
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08-15-2006, 02:14 AM
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#3 | |
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Resident Chemist
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Re: service engine light - fault code P0301
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08-15-2006, 02:14 AM
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Re: service engine light - fault code P0301
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08-15-2006, 02:14 AM
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#5 | |
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Resident Chemist
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Re: service engine light - fault code P0301
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08-15-2006, 02:14 AM
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#6 | |
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Resident Chemist
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Re: service engine light - fault code P0301
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08-15-2006, 02:15 AM
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#7 | |
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Re: service engine light - fault code P0301
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08-15-2006, 02:15 AM
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#8 | |
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Resident Chemist
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Re: service engine light - fault code P0301
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08-15-2006, 02:15 AM
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Re: service engine light - fault code P0301
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08-15-2006, 02:15 AM
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Re: service engine light - fault code P0301
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08-15-2006, 02:15 AM
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Re: service engine light - fault code P0301
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