SOURCE: fuel filter replacement 1993 Cadillac Deville
hello. it should be located under your car on a line that's coming off your fuel tank and yes you can do this your self very easy to do ,you'll need a few box/open ended wrenches that's it you'll need to check the fitting or the nut on each side of the filter to see what the sizes are,befor removing the filter you'll want to take off your gas cap and remove your neg battery cable ,not when you find the filter it'll have nut on each side all you have to do it loosen them but make sure that you don't break the fuel line or kink it and after you have both sides loose then just finish turning them off and there you go the filter is off, nope no removing the gas tank some newer models you do and the filter is attached to your fuel pump and don't need replaced but for your car and year you wont need to remove the tank. good luck
SOURCE: I have a 1991 fleetwood cadillac with a 4.9 v8
On the first one(the 1991) check the fuel pressure. Actually, check it on both of them.
SOURCE: fuel filter location
I just replaced mine. It was on the passenger side, near the back of the tire well. I was told it was on the drivers side, but not true.
SOURCE: Please help: 1992 Cadillac Deville:
E13: right bank O2 sensor, no data
F48: low refrigerant level in A/C system
Neither of these is likely to cause rough idle, but I would change the sensor.
If that cure it, great.
If not, make sure the vacuum hose on the fuel pressure regulator (at end of fuel rail) is tight at both ends and not cracked or leaking. Then pull the vacuum hose off the regulator and see if there is any fuel in the vacuum hose. If yes, replace regulator.
I also recommend cleaning up the intake side of engine with carb cleaner or equivalent: throttle body, Mass airflow sensor, EGR system, and PCV valve. Make sure EGR valve is operating.
If you have questions, please let me know.
fuel press reg:
SOURCE: My Cadillac deville keeps popping codes p0171 and
hi, this is an obd2 trouble code table, can help you understand the code. and this tool connects this tool can solve your problem,hope help.
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