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Old 09-29-2023, 12:43 AM
DD4Runner DD4Runner is offline
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Join Date: Dec 2022
Location: North Cascades
Posts: 13
DD4Runner is on a distinguished road
DD4Runner DD4Runner is offline
Junior Member
 
Join Date: Dec 2022
Location: North Cascades
Posts: 13
DD4Runner is on a distinguished road
The current codes are: P0300, P0303, P0302, P0171. No codes for any failed sensors, like O2, MAF, etc.

I have a hard time with this because the 220k service encompassed so many parts... how can I possibly know what was disturbed during the maintenance?

All new wires along with the other parts. I can't see how it's possible to route the wires any way other than one.

Why would compression be an indicator when cold running is perfect? Outside of this suggestion, I've tried everything I've read and been told on these forums with no luck, and I just can't keep trying stuff with no understanding of the logic.

I've also tried the local "Toyota Specialists" - at $900 for an injector cleaning and one replacement. No improvement though, just a suggestion to replace my brakes and suspension, and a suspicious vacuum line plugged with a rubber cap? Thanks.

Is the factory manual is an accurate troubleshooting guide?

Or, is taking it to my nearest Toyota dealer a sure-fire solution? I'm at the end of my patience for solving this puzzle. If I don't find an answer soon, I will incinerate the truck and the haunted demons that possess it and accept that 4Runners just aren't as reliable as 'they say'.
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