Drive the car about 50 miles turn it out again
SOURCE: CLEANING THE MAF SENSOR ON MY '99 INTRIGUE
You don't clean them, you get a new one. Usually if it's the MAF, it'll start and die, start and die. If your's is stalling, it'll be the idle air control valve, or the fuel filter, or the idle control system, or a vacuum leak at the intake or vacuum hoses. Good luck.
SOURCE: 02 Saturn SL1
Replacing plugs and wires is the correct soultion for a p0341 on an S-car. However the trans shifting hard is another common problem that the s-cars have which is your valve body on your transmission and the Input shaft nut will eventually need to be replaced as the problem will get worse. as far as the Ignition module. It is actually called an Ignition Control Module. Maybe they were saying controller and referring to that. I hope this helps.
SOURCE: have chevy tahoe and my service engine light is
next i would try fuel injector cleanig they may be driping(not jet spraying)
SOURCE: the asr light is on and the car does not
the o2 senser would not cause the a.s.r. light to come on-there is only 2 things that the engine module and the a.s.r. module have in common. 1 is the e.a. actuater(throttle) and 2 is the base module. most likley either your acuater has to be resynchronized or the actuater itself is bad. have codes pulled from your h.f.m.,a.s.r.,e.a-i.s.c.-c.c modules and see what the codes say. You will probably find that they say e.a. actuater module is defective. the pig tail connecters go bad and they need to be replaced just be glad you do not have a 600 series because they cost about 1200 a piece and the v12 have 2 of them. If it is defective and you cannot resynchronize it there is a company that rebuilds them for about 1/3 the cost of a new one- good luck
SOURCE: I HAVE ALTIMA 99 AND MECHANIC CAN'T FIGURE OUT
He's right both and the code is the EGR valve. The car won't run with the EGR valve removed but it may be disabled some way. Most of the time EGR vales leak or the senser line stopps up. There's a small medal ine coming up the the EGR senser from the exhaust and connects to the senser this line stops up and the senser knows something aught to be happing and it doesn't so it turns the light on. Your mechanic is right it's not hurting anything but it makes the light on. It can be fixed but it'll not run much different.
There are a few things this could be. The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters
may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with where the MAF sensors leak the silicone potting material used to protect the circuitry.
There could be a vacuum leak downstream of the MAF sensor also.
First simply try cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling . Then Inspect all vacuum and PCV hoses, replace if necessary Check for a dirty fuel filter and proper fuel pressure
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