Question about 1996 Ford Thunderbird LX
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Posted on Jan 02, 2017
U don't say codes but most likely the sensor codes are just responding to a problem in the engine, mainly and most common is a lean fuel/air mixture, this is most often caused by vacuum leaks, it only takes a small leak to set the lean codes for the O2's and turn the check engine light on, I am a 25 Year Ford dealer tech and this is the common cause of O2 fault codes, to check for vacuum leaks get a bottle of propane and attach a piece of rubber hose to the end, spray propane around the top of the engine, work slowly and hit all vacuum hoses and the top and edges of the intake manifold, if u hit a leak you will hear the engine change tone most times or increase in rpm slightly, then look closely for the leak, it can be leaking intake gaskets or a cracked rubber vacuum line, even a leaking Vacuum brake booster can set these codes, if u don't find anything obvious it is time to have the dealer hook up there scanners and look at what is going on in the fuel system to create the O2 codes, don't hang anymore parts on, u have already wasted about $100 I would guess.
Posted on Oct 17, 2009
You need a set of fuel line disconnect tools. They go around the fuel line and then push into the fitting, expanding the spring so you can pull the fuel line off. There are different sizes and I don't remember off hand what size it takes on your car.
Posted on May 06, 2011
SOURCE: engine light on, replaced fuel
Ok, you have spent quite allot of money and you still have the problem. Your mistake is in believing that the code set tells you what part to replace. That is not always true. The code tells you what part or system is being effected. This is why it takes a trained technician to diagnose this kind of problem. You can keep throwing parts at the problem and maybe you will get lucky or you can take it to a professional for repair. I could guess at what is causing this like that O2 sensor you did not change, but that is what you are doing and that has not worked has it?
Posted on Aug 09, 2011
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