78 Chevy Wiring Diagram Free Picture Schematic

I have a 2004 ES330 later than a hestitation problem. It is good from a full end but gone I go vis--vis turns upon onto highway ramps, as soon as I sadden the accellarator (sp?) it hesitates for 2 seconds previously reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon with the thesame engine and it jumps off the begin and has no hesitation. Mechanic s Assistant: Will the headlights slope on? Is the battery adequately charged? With or without headlights on. Relatively additional battery. Mechanic s Assistant: What is the model of your 04 Lexus? ES330 Mechanic s Assistant: Are you fixing your vehicle yourself? What have you tried correspondingly far? I ve cleaned the MAF sensor. Checked for links in the intake. once I put my Turbo OBDII app on, whatever seems good except that the TPS stays constant concerning 30%. This is a drive-by-wire model correspondingly it has not throttle cable or normal TPS. I endure the TPS is integrated taking into consideration the throttle controller/motor. Mechanic s Assistant: anything else you want the mechanic to know in the past I link up you? No, I guess that is it.

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me say you a tiny more just about the difficulty history. It currently has a master tech approved idle freshen direct valve and tps installed. without moving anything, the last (used) ecu and my original, would control in the car without this symptom.

This could be a large vacuum leak ,with the MAF linked it is forlorn measuring the air that is getting similar to the MAF, suitably if the intake manifold is sucking in let breathe the expose to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. subsequently carb cleaner spray can vaporizer in the area of the hissing in the manner of the engine supervision and later you hear the engine stall or rev unconventional there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

Photo Schematics for 78 chevy wiring diagram free picture schematic

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