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97 previa po300 code po301,302,303,304 had oil on plug

Customer Question
97 previa po300 code...

97 previa po300 code po301,302,303,304 had oil on plug wires..

Mechanic's Assistant: When was your last oil change?

Recent less than 100 miles

Mechanic's Assistant: Are you fixing your Previa yourself? What have you tried so far?

Plugs wires cap and rotor Seem to run better but still showing misfire codes. replaced egr valve 2 years ago

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It has been sitting up for several months.. also ran seafoam throttle body cleaner recently. Just keep trying when i have time to work on it

Submitted: 6 months ago.Category: Toyota
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Answered in 3 hours by:
8/6/2017
Toyota Mechanic: Mechanic01, ASE Certified Technician replied 6 months ago
Mechanic01
Mechanic01, ASE Certified Technician
Category: Toyota
Satisfied Customers: 2,082
Experience: Owner at Baltic investments
Verified

Hello my name is ***** ***** I will be assisting you with all of your vehicle questions today. Give me one moment while I review your question and come back with a answer. Please be aware I do not know your skill level or abilities so I will be asking a lot of questions and in a lot of cases we will respond to each other quite a lot before we find a solution. As far as phone calls are concerned that is the system prompting you, not me, and they do cost more money, I prefer text but in some cases a phone call is required.

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Toyota Mechanic: Mechanic01, ASE Certified Technician replied 6 months ago

before you put any more money into that I would do a compression check on it

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