Question about 1997 Cadillac DeVille
I have a 1997 Cadillac sts Seville and I have checked the fuel filter and it is working good and my car wont start it acts like it is out of gas but when I do get it started I try to put gas in it it has a full tank. the fuel pump sounds like it kicks on the theft system light is on I don't know what could be causing the problem it also ocasoinaly back fires when I first get it started as well.
For the backfiring, there is a chemical additive process for cleaning the intake system of Northstar V-8's. This is suppose to be done at a Dealer and the solvent stays inside the engine 8 hours or more. It is rumored to be written as a service procedure in the Owners Manual.
Check your battery. A shorting battery will activate the antitheft system. Try a new fuelpump Relay
Posted on Feb 13, 2014
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Posted on Jan 02, 2017
I Have A Seville 1990, When That Happen To Me I Got The Inginion
Replaced Problem Solved. What Is Happening Is Your Key Has A Chip And That Chip Is A Resister And When The Valve Is Not Sented To The Computer It Disengages the Fuel Pump And Than Tells You To Wait. Soon All That Will Happen Is You Will Get The Wait 3 Mins And It Will Never Start, A Good Locksmith Can Take Care Of This For You And That Will Save You Some Money. Cause If You Go To The Dealer Ouch They Will Hit You Up. But I Asure This Is How It Will Happen Cause It Is How It Happen To Me
And Sorry There Is No By Passing The Computer
Posted on Dec 25, 2008
you need to have a pulley puller to get the pulley off if you don't have one most auto zone part stores have a loan a tool program and they can help you with that on most powersteering pumps the high pressure line will be a fitting or bolt on and the return line is usually just a squeeze clamp hope this helps good luck
Posted on Jan 30, 2009
First thing you have to do is list all the codes, because some some might be stored for a long time. Pushing the OFF and WARM buttons together and holding will ghive you all the stored codes. Then press OFF and HI together to clear all codes. Hold and wait for bars or 0's. Now start your car and let it get up to proper operating temps. Take car for aride that aincludes all phases of driving including highway speeds. Observe SERVICE ENGINE LIGHT for coming on . Assuming it does , repeat steps previously provided, read codes stored and repair accordingly. If need be contact me with new codes and I will try to assist you.
Posted on Mar 16, 2009
SOURCE: 01 cadillac seville sts
It defanetly sounds like a sending unit and the fuel tank needs to be removed in order to replace it and it will most likely come with a new fuel pump too.They come as a unit and there not cheap. Sorry.
Posted on Feb 06, 2010
Testimonial: "Additionally found complete unit with new float, screen, gasket and sending unit for $89 NEW!!!"
SOURCE: cadillac seville won't start
I've got an even cheaper and easier solution, instead of buying a new cylinder, find that plug and snip the orange wires going to the old cylinder.Then remove the resistor chip from the key and solder each of the the wires to each side. this will fool the car into thinking the correct resistor chip is in place, allowing you to use the original key or any copies with or without resistor chips. i just did this to my caddy and it roared to life! :)
Posted on May 20, 2010
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