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I have a buddy that has an avalon that is throwing those codes. Issues seem to happen when car is not under load then switches to a load. Read that as stop light to acceleration and switching from coast in cruise control to load in cruise control. Once under demand at 3000 plus RPMs car drives fine. Lower RPMs the engine doesnt want to go (Sputters but never dies) Engine is at operating temp.
Codes point to VVT on bank 2. Ohmed out per manual and at 35 deg F we get 6.8-7.7 ohm manual states that is within spec. Also 12v applied to it you can hear and feel the solonoid clicking back and forth. No recent work to engine except routine maint. He is militant with oil changes and uses high quality oil at the right viscosity. Manual mentions something about timing. Timing belt was done by dealer at 86,000 miles and it currently has 130ish thousand. Due every 90,000.Any idea what to check? Timing maybe? The manual is not specific on how the VVT works (eg rpm kick on etc…) Any tricks on checking tension or timing on this car? Havent gone that deep in this car yet.
Thanks in advance for the replies. We intend on working on it this weekend.
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VVT has 2 oil filters for solenoids on a 6 cyl engine. 1st line of defense is to pull filter out and spray clean it. 2nd line of defense is to pull VVT solenoid out and spray clean it. Filter is right next to solenoid, slightly back and down to it. Look for 10mm head bolt, holding small “lid” in place. Filter comes out with that lid. Be very careful as filter is held in place by plastic prongs that break very easy. If engine was never Seafoamed, for that age, filters and solenoids are destined to be dirty/clogged.
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