Question about Cars & Trucks
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Posted on Jan 02, 2017
If you hear air in the engine, there must be a leak somewhere.
Check all the vaccum hoses for bad ones or dissconnected ones. All it takes is a pin hole in these darn emission systems to screw up the whole system.
It could also be a leaking intake manifold gasket.
Posted on Jul 13, 2009
#1 is the egr position sensor #4 Is for single cylinder misfire so this could be the coil or a bad plug or wire ..but with fords should check for a vacume leak that can cause a misfire to .....#2#3 are 02 sensors before i would change them i would check the mass air flow sensor ..Hope this helps
Posted on Nov 10, 2009
How to find the Security Keyless Keypad Code on the 1995-2001 Ford
Explorer or Mountaineer and how to use the Keypad functions. The factory
code is also printed on a label which is installed on the Remote
Anti-theft Personality (RAP) Module. This is the module that controls
the keyless entry system. It is
located in the left rear quarter behind the removable panel (see photo).
You will need to turn the two thumb screws counter clockwise and take
the plastic panel off to be able to see the unit. A flashlight may be
helpful in seeing the code. You are looking for the module and the 5
digit code on it like the one shown below.
Now that you’ve got the code I’ll tell you how to use the Keyless entry and set-up your own code.Make sure when pressing the controls on the keyless entry keypad you press the middle of the buttons to ensure good contact with the controls.
Check this for Programing the Keypad.
Hope this help (remember rated this comment).
Posted on Mar 29, 2010
hi, this code refers to an engine fuel mapping strategy designed to monitor air flow going into the engine and exhaust flow out of the engine to prevent any vacuum leaks, rich fuel conditions, or clogged/open air induction systems that will cause failure of emissions control or catalyst failure. the pcm monitors long term and short term fuel trim to compensate for rich or lean combustion. if the long term fuel trim reaches limits of 15 percent adaptation either positive or negative, the codes p0171, p0172,p0173, p0174 and p0175 will be set depending on which condition is happening. generally, p0171 tells of extra lean combustion occuring on bank one(on your vehicle, it will be the half of the engine that is furthest towards the front of the engine block, where cylinder one is located, i think the rear bank of your engine) okay, look for air tube cracks and leaks btween the mass air flow sensor and the throttle body, look for spongy vacuum hoses that close under vacuum, look for obvious vacuum leaks, check the evap purge control solenoid hose, commonly leaking here, also check pcv valves to make sure they are not blow out. if all tests okay, next step is to check the intake manifold for vacuum leaks, cracks in the gasket, etc. if okay here, check fuel pressure, maybe clogged fuel filter causing low flow, clogged fuel injectors, and bad fuel pressure regulators can occur. if all checks out okay, check the mass air flow sensor by removing from housing and physically looking at the intake air side(the side that recieves air from the filter) for dirt and contaminates. you can check this first if you like, also common problem. ford does not recommend to clean this sensor, only replace if contaminated. but you can try to clean with brake clean just as a test to see if it helps, just don't overdue the amount of cleaner, little goes a long way. if all this tests and looks good, go see a ford dealer! the last step of the diagnostic strategy is the test pcm(engine computer), don't do it yourself, take it the dealer. good luck!
Posted on Jun 17, 2010
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