Question about 2004 Toyota Sienna
2004 sienna XLE AWD 110K. had timing belt replaced at 95K. then at 109K A/C blowing hot air and engine heating up. found coolant leaking. mechanic said water pump cracked and should have been replaced with timing belt. replced water pump and a/c problem fixed. now after 1 month strange things happening from time to time....VSC and check engine lght coming on and off. seeing large puddle of water(not coolant) under van which seems more than normal. occasionally ac blows humid air for one minute then reverts to cool but no sign of engine overheating. rattling noise near front passenger windshield. A knocking sound from under van occasionally but van is driving fine. What could be the problem? Read something about a/c compressor failing but how would I know?
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Posted on Jan 02, 2017
Toyota Specific Trouble Codes
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
If you have changed the proper sensor then you may need to have the cam shaft looked at.
Posted on Dec 16, 2008
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