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Member
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Join Date: Aug 2010
Location: Washington
Posts: 384
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Member
Join Date: Aug 2010
Location: Washington
Posts: 384
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Your description sounds like a misfire under load.
MOST times, it's a bad spark plug, on both the 5vz-fe AND the 3rz-fe.
They come with 30,000 mile plugs.
Do you know when they were last replaced, and if so, with what?
NGK and DENSO are the only way to go with plugs on these things. All the "mighty" and "autolite" and "champion", "bosch" and the like seem to be a worse alternative than leaving old worn out NGK or Denso plugs in them.
After plugs, plug wires are usually the next culprit, with some having an injector problem, some of the 3 and 3 rz's had valves get too tight and creat misfires at IDLE, not under load accelerating.
So.... start with looking at the plugs.
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