Mara8000
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Posts posted by Mara8000
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Hi, Philben10
I know it was in 2018, but I have the same problem with my rx400h. It's like misfire only under heavy load. Already change plugs and coils but did not help. A few guys couldn't find anything.
Have you solved your problem?
RX400h Misfire under load
in RX 300 / RX 350 / RX 400h / RX 200t / RX 450h Club
Posted
The fuel pressure is good. The canister (hose) was pluged for testing. The car runs a bit better when the weather is warm and the engine is cold.