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My daughters car seem to idle low and loose pick-up and have flat spot on throttle tip-in when the heater or headlights or radio are on. Is there a power buss or GND I can check that may be intermittent? Also does the Cluster dimmer use PWM PSU for voltage control for brightnes or is it just a ballast pot (I'm thinking NO here in digital age). Reason I ask is, I was driving here car and someone knocked-off the display brightness, I turned the knob to mid range and I lost power and engine got buzzy on the highway. May just co-incidence. I wondering if this car is hyper-sensitive to noise on the power buss - also given SS regulated DC which is pretty noisy too - enough to false certain sensor input? I suppose what I am getting at when you drive car initial reaction is - this car has electrical problem - it s over sensitive to control settings. Everything off it runs OK again after ~ 1 cold and a couple HOT key-on/key-offs. This is bad enough I consider SELLING it since it appears on the unrepairable given the tech training level we have around here (NH). Possibly anything I should look for on the hand held - like fuel trim or low E at ECU buss? I want to look for a pattern of corrupted look up tables (and I dont have OBDii scanner, but plan to purchace one.)
Thank you
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11-27-2008, 12:27 PM
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