GS450h- Noise from under the car when the cold engine started status...
08-02-23, 01:32 AM
#16
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Do a compression test, a smoke test (intake / exhaust leaks) and a coolant pressure test beforehand just in case, before you go and chase ghosts. AFAIK all 450h's do this, although there is indeed that TSB for the low pressure injectors on the 4th gen (or was it only for the RX 450h).
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petershen (08-02-23)
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