Start my E350 in morning with all electrics off and the car will idle at 550rpm, put heater on and car will idle at 850rpm
Thats because the electrical system is using more power than the alternator supplies at idle so the ECU increases idle so that all electrical systems i.e fuel delivery etc have enough power supplied absolutely normal
SOURCE: Same problem
throttle is probably going out you can try to clean it but they are usually bad when the epc light is on
SOURCE: Starting problem for 1999 Lexus GS300
make sure the air filter lid has been put back into proper place, if they left it loose the engine would **** more air while trying to start, so you need more fuel to balance it out.
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SOURCE: mercedes e220, horn, heater fan and electric
Horn and heater may be fuse related. The headrests have nothing to do with fuses. The switch is bad or going that way for the seat or the motors for the headrests are out.
The horn fuse spin it, or replace as corrosion from aluminum fuses cause problems. I suggest replacing them all with new copper barrel fuses. The blower motor fan is a strip fuse on the driver side strut mount in a tootsie roll sized case.
SOURCE: Car has strong gas smell. Hard start up in
High idle is associated with a vacuum leak from the engine hose's or gaskets. The check engine light is on...telling us there is a problem with one or more of the engines actuators or sensors. The first place any tech would check is for a DTC (trouble code) in the engines computer memory. You will need to see what the trouble code is and proceed with a diagnosis from there, otherwise you will be guessing at this point. It may be the IAC motor on the throttle body, but again, this is just a guess. Autozone will connect a code reader to your engines computer and read the code for you for free if you do not have a code reader. You HAVE to do this part in order for us to help you, and not waste time and money guessing on parts to replace.
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