Question about 1994 Dodge Ram

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Does the pcm suppose to have a high squeell pitch to it? and can the nuetral safety sensor cause no firing to the motor? v6

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No,the pcm is not making the noise,unless it's a bad or shorted relay. If you don't have 12 volts at the battery,it may not start. You need a full 12 to run the computer. The switch hardly ever goes bad but yes that will cause a no-start. Write more info next time please.

Posted on Jun 28, 2009


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The computer monitors just about everything electrical on the vehicle.The part you are refering to is not a neutral safety switch , its called a mode switch,It controls what range the vehicle will crank, the reverse lights, the indicator lights in the cluster, and tells the pcm where the gear lever is so it can produce the proper solenoid commands for that range.Have you checked codes?The adjustment precedure is critcal so would recomend not just changing parts or guessing.

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2003 silverado 1500 4.3 x, engine has misfire above 60, not too bad but annoying, had GM pull codes, tech said fuel pump was failing low pressure at 24 pounds, replaced pump and fuel filter, still misses...

i believe low pressure was around a 42 - 45 psi and high pressure was 54-55 psi. so yes at 24 it was bad. but need to do a full diagnostic to motor, not just a code reader but a full blown $ 110.00 diagnostic, all these fancy gadgets and wires hook to everything but the spare tire. pin point what cylinder (s) is or are misfire,when coil pak fires, the fuel inj fires, air mass to fuel ratio, timing, pressures, temp ,what all sensors are reading. when your done with this you will feel like a damn surgeon and want to start operating on the girl. If you really want some answers this is what to do. And be there when they do it,wear safety glasses to look legit and for safety reasons, but ask alot of qustions. you learn and understand more, people always say you have a bad o2 sensor, I say why? cause it worked!!!! if the code says the o2 sensor has a reading isnt that what it is suppose to do, what caused the reading? not the sensor but the excess fuel,to rich to lean well then doesnt that seem like a injector or low spark coil, not enough air? bad filter? the problem isnt the sensors its what causes those sensors to react. HOPE YOU REACH THE SMOOTH SAIL !!!! If you want real answers spend the hundred bucks, i know my yukon xl like the number #s on the phone. you notice i didn't say letters on a typewriter ha.

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I have a 1996 Plymouth Grand Voyager SE with a 3.3 liter V6 Engine. It hasn't been firing on the 6th and 3rd spark plugs, and is only running off of 4 of them. I was told to replace the camshaft position...

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Can spliced wires to a nuetral park starting switch can have no firing to the motor? and does the pcm supposed to have a high pitch squeel to it?

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