Question about 1999 Cadillac DeVille
I have a code P0152 and also code P0175 on a Cadillac 1999 De ville what is the cause and how to fix this
Code 152 is for a high sensor signal from bank 2 sensor one. This is the sensor before the catalytic converter on the side with cylinder two.
The sensor is telling the computer the fuel mixture is too rich and that may or may not be true.
Code 175 is also for a rich mixture on bank two. Since you are getting both codes its possible you have a leaking injector on that side of the engine, or some other fuel problem.
It could also be a faulty O2 sensor sending a false signal.
Posted on Jan 23, 2013
Testimonial: "I really did appreciate your help on this. I have a fairly good idea of what is going on now. I have reset the code to see what is happening I am getting code P0175 but not P0152 anymore I will check the injector as soon as possible but I want to make sure the Oxygen sensor does not give me another code. Thanks a lot you guys are the greatest, this is really helpful considering how much they charge you at the garage. I will ask your opinion again when I need it. Thank you "
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
I had the same problem. The mechanic could not get the compressor to take in new freon. It has to do with the car's memory. You have to reset it by disconnecting the hot wire from the battery which for thirty seconds. This resets the cars internal memory, so it won't remember that it's out of freon. Reconnect it turn on the car and turn on the air the compressor will start.
Posted on Jun 28, 2010
CLICK on the following LINK. It has all the Diagrams for your Belt that you will need.
If you would: Before Clicking let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
Posted on Feb 28, 2010
SOURCE: 99 cadillac de ville
the coolant temp sensor is at the rear of the engine and is a "bad word" to get to. the 3 relays are at the bottom,under the fans. if you remove the driver side fan out of the way( 2 10mm bolts holding the fan) you should have good access to them. they do have locks on them and may be tricky to unplug. there is a 7/16 nut holding the relay plate down. remove and it should be easy to remove them.
Posted on Jul 09, 2008
hi im wesall o2 sensors are located in the exaust system yours has one before the converter one after if it has duall exaust before the cat on drivers side will be upstream sensor bank 1 after cat right side will be bank 2 sensor 2
ps please rate me
Posted on Mar 28, 2009
The normal coolant temp should be around 200-215 degrees.
The cooling fans will come on at around 225-228 degrees.
The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.
If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.
The hose goes in to the engine to a crossover and comes out the other side close to the thermostat housing,the blockage may be there.
Posted on May 22, 2010
Tips for a great answer:
Sep 05, 2016 | 1997 Cadillac DeVille
on Apr 29, 2011 | Ford F-150 Cars & Trucks
Dec 01, 2015 | Saturn Cars & Trucks
Nov 23, 2015 | 1994 Cadillac DeVille
Jul 28, 2015 | Cars & Trucks
Mar 19, 2013 | 2005 Dodge Ram 1500
Apr 27, 2012 | 2006 Ford Taurus
Jan 09, 2011 | 1999 Jeep Grand Cherokee
Mar 08, 2010 | 1999 Cadillac DeVille
206 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: