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You have to remove anything that is connected and in the way of the intake. Remove the fuel rail, the EGR valve and supply pipe from the manifold, the map sensor, the vacuum for the fuel pressure regulator, the alternator and support bracket, the water pipes for the throttle body, and the bolts that hold it down.
The map sensor measures vacuum in the intake manifold, so a faulty sensor would not make a noise. The engine would run lean or rich and the check engine light would be on. A squealing engine is usually a problem with the serpentine belt or one of the accessories the belt drives.
Change the throttle sensor first, and see if the map sensor is a victum. throttle sensor is similar to an old volume reostat, on some cars and everything else tries to do react, and everything errors out.... My bet is throttle position sensor... But you never know, it CAN be both, just usually not both.
Rough idle and no power, it could be the mass air flow sensor, or even an intake leak (vacuum). Either one I would not put passed an engine of its age. I hope this helps point you in a helpful direction. Let me know how it goes and which motor you have as well.
it can't be repair you need a new one. you have to take the screws out of the bottom of the steering wheel cover and it comes apart in 2 peaces. then unplug the switch and unbolt it
Hello - this DTC indicates an issue with the MAP sensor. You can replace this rather easily and any major auto parts store can read this code, clear this code and also carry the part you need.
Try unplugging and plugging the map sensor, this device should have manifold pressure hooked up to it, via hose, so check for cracks or leaks. Then clear codes and test again.
Well there are several things that could cause this problem...
1. one of the coils may not be firing.
2. the ignition module could be bad.
3. the mass air flow sensor could be tellign the car to run rich (too much gas)
4. if the car is equiped with a map sensor it could do the same as a mass air flow sensor.
5. fuel pressure regulator could be leaking at vacuum port drawing in more fuel than needed.
6. the computer itself could be bad as well.
The car either has a map sensor or mass air flow not both. The mass air flow would be right after the air cleaner housing usually a 4 wire connector. map sensor is normally located on the rear of the upper intake manifold with 1 vacuum line going to it with 3 wire connector. Hope this helps.
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