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01-03-2014, 04:59 PM | #1 |
Drives: yaris hatch 07 640K original m Join Date: Mar 2007
Location: usa
Posts: 285
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ongoing loss of power
In the last few weeks I have had a dramatic loss of power on acceleration sometimes helped by releasing and pressing the pedal a few times. If it is compression on this high(405K) miles engine why did it come on suddenley and why dont I burn any oil?
I have cleaned throttle and air filter assembly completely. Cleaned OCV and that fixed an idle problem mostly...the OCV needs cleaning every 20K I think. I replaced the entire fuel pump,filter,regulator assembly with a used low miles unit that works good. No problem putting it in. I replaced injectors with rebuilt ones from Injector Warehouse in South Carolina. No leaks. The engine light blinks frequently but not all the time. I get codes 301 and 011 but not all the time and I have had codes for years and not had any real problems. They mostly come from the OCV problems on the 07. That valve just gets grimed up and doesnt work right unless you clean it all the time. I think its either the pedal wires are bad or compression but like I said I dont burn oil. I dont want to diagnose too much more because of the money pit..... If I take it to Toyota will their diag. machine tell more than my Scan Gauge??? Will they know if the pedal is not communicating correctly??? If its compression then I will ditch the car or engine but I dont think its that. Does anyone know what might cause that lack of power on acceleration like that?? Sometimes the power kicks in suddenly but its happening less and less. I am stumped.... |
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