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1995 Cadillac Seville Questions & Answers
95 seville sls jumps out of gear, losses fire, no speedometer
It may sound like a bunch of different problems but when in reality it could be just a VSS - vehicle speed sensor . The PCM/ ECM use's this information for shift point's , speedometer setting an someother systems on the vehicle . When you say it cut's off an will not start like it has no fire , what do you mean . Explain ! When you turn the key to start the starter engages the engine an spins it over but does start an run ? Or when you turn the key to start nothing happen's ? Traction control wouldn't work either with a bad VSS . You should take it to a qualified repair shop that has a professional type scanner to view codes in all the modules . If when you turn the key to the start position the starter does engage the engine an spin's it , no key or lock cylinder problem
Engine missfire codes compression low
I shudder every time I see the "new engine solution" to a problem ( unkess I read that there was no oil and the engine will not turn over)
you have to know the copmression pressures before you can decide if that is the real reason for the misfires
the compression readings can be as low as 120psi ( down from 165psi for a good engine) and then both a dry and wet test done to confirm engine condition requiring a "new " engine
compression figures can vary 10% between cylinders before it is considered necessary to do something
so move on to other problems
random misfires (code p 0300) can be electronic which is coils , ignition control modules , distributor cap , HT leads , plugs , injector /s wiring and ECM or it can be from faulty injectors( dirty ) low fuel pressure , mechnaical ( loose valve seat inserts
from your description and you obviously are not convinced by the new engine arguement I would be taking it to anoher accredited service center conversant with your make and have them run the fault codes again, check the fuel pressure , and the cat converter for failure and blocking the exhaust
just some ideas to start with
Cooling fan wont kick in
Could be the FAN MOTOR, COOLING FAN TURN ON SENSOR, even the PCM. There are 2 fuses . Also check fuse panel under hood in engine compartment
I was s replacing bottom radiater hose on my 1995
The spring was part of the maufactured original hose for your caddi but if your replacing the hose take the spring out it will work just fine. I have a 1995 caddi n ive already delt with this issue
Find the fuel filter on a 1995 Cadillac Seville .
Often as not the fuel filter is along the inside frame rail under or just aft of the rear door. That's where it was on 1990. I don't know your car specifically but that's where I'd look first. And definitely skip the Haynes for a Cadillac. I've used them on normal cars and they're barely passable but if you want to open up a Cadillac FSM is the only way to go.
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