I have a lexus 2000 gs300 when it warms up it cuts off then it cool down cranks agajn
Sounds like a fuel problem.
SOURCE: I have a 1999 oldsmobile
fuel pressure regulator on the fuel rail is probably it or the egr valve is stuck open allowing burnt fuel to flood the intake, im leaning towards the fuel pressure regulator because the o2sensor is probably reading rich or if its reading lean then i would choose the egr valve . good luck
SOURCE: Changed Mass Air Flow sensor, CEL still displays problem
it almost sounds like a fouled fuel injector. this is a tricky problem because it involve so many different operations. the maf is used to deliver fuel and the o2 sensor tells how much. there are 2 o2 sensors one before cat 1 after. mabey check these out visually. the computer should pick these sensors up if there bad. is this a supercharged engine? ill try to come up with some other ideas for you soon.
SOURCE: 98 Astro Van,when warm hesitating, stalling
WELL YOU CHANGED ALMOST EVERY THING EXCEPT IGNITION CONTROL MODULE........
SOURCE: can the mass air fow sensor cause hesitation when accelarating?
Yes it could be bad sometimes cleaning it works and sometimes it doesn't. You should wait for the light to come back on and get the code before you buy a MAF sensor as it is expensive. You need to replace your air filter because that is likely that the fibers came off of it. You need to use a high quality stock replacement air filter.
SOURCE: My 2000 Maxima has very rough idle and most of the
replace the coil to plug boots,If it does not help,then change the fuel filter,if this does not help,then the fuel pump is going out.
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