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Old 01-22-2018, 11:44 AM
frafreg frafreg is offline
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Re: 1993 Camry 4 cylinder Losing Power Under Load

Hi Brian. I am going to rent the fuel pressure tool as you suggested but my local Autozone did not have one on hand this weekend so, I have to wait until someone returns it.
In the meantime, I took your advice and I went back to check the ignition timing again. The TOYOCOM make it easy to see the timing without a timing light. The timing is going up and down at idle from -2 to +5 in Park. The idle is moving up a and down also. I cleaned the IAC on the car and was wondering if I need to remove the throttle body and do a more thorough cleaning of the IAC since it may still be dirty. What could cause such an unstable timing? Thanks again for you help. Much appreciated.
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