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I have a 2001 Ford Escort ZXT I need to locate the o2 sensor and MAF sensor I need a diagram to change both of those

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  • Ford Master
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The mass air flow sensor is in the ducting to the throttle body. the o2 sensors are on the exhaust pipe. looks very much like a spark plug with a wire extended from itself. the maf will also have wiring associated with it. replacement of 02 sensor requires a special wrench. disconnect battery for a few minutes to clear all previous codes. replace parts and then reconnect the battery. allow computer to relearn in a short trip.

Posted on Apr 16, 2015

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Posted on Jan 02, 2017

  • 27 Answers

SOURCE: Oxygen Sensor Location 2001 Ford Expedition Eddie Bauer

There are four o2 sensors on this truck. one on each side just below the exhaust manifold, and one on each side behind the second catalytic converters. (just about even with the back of the front doors.

Posted on Jun 18, 2008

alicantecoli
  • 22095 Answers

SOURCE: timing belt diagram for 2001 ford escort zx2 dohc

cam shaft timing marks on back of cams ,two slots ,use a flat piece of metal to align .remove no1 spark plug and drop long thin screwdriver down it to bring piston just below tdc,then align cams so both cams are on the rock (valves closed) with knob on back cam aligning with pick up sensor left side between lobes.then bring piston up to tdc and fit belt.turn engine over twice with socket on bottom pulley to make sure no valves clear pistons.Remember to remove flat edge from back of cams i didnt last time and bent my home made tool

Posted on Jan 28, 2009

  • 14036 Answers

SOURCE: Location of sensors

IAT SENSOR IS MOUNTED INSIDE INTAKE AIR HOSE TO THE AIR CLEANER ASSEMBLY. THE MASS AIR FLOW SENSOR IS ALSO MOUNTED TO THE INTAKE AIR HOSE OF THE AIR CLEANER ASSEMBLY. O2 SENSORS LOCATION.YOU HAVE 2 # O2 SENSORS.YOU HAVE ONE THE EXHAUST MANIFOLD.THE OTHER SENSOR LOCATED DOWN AT THE CATALYTIC CONVERTER.

Posted on Aug 19, 2009

bschilz
  • 2049 Answers

SOURCE: location of the bank 1 sensor 2 O2 sensor on a 2001 ford escape

B1 means the sensor is located on the same bank of the engine that has the #1 cylinder. B2 is located on the opposite bank.
S1 means the sensor is located BEFORE the catalytic converter
S2 means the sensor is located AFTER the catalytic converter

You didn't say which engine you have, so I've included the diagrams of both 4 cyl and 6 cyl so you can see the banks

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Posted on Oct 20, 2009

  • 4 Answers

SOURCE: 2000 ford escort ZX2 with P0171 trouble code.

I am working on the same problem. This 2000 ZX2 was idling rough and throwing a p171 code (bank 1 too lean). I hooked up a scanner to the OBDII port and you could see the O2 sensor at 0 or very low voltage and not switching and the fuel compensation maxed out which indicates a lean condition. Using a flammable Carb cleaner and the engine running I sprayed around the vacuum hoses until the idle picked up. I found a rubber elbow that connects to the bottom of the intake maniflold and feeds vacuum to the PCV valve. Replacing the the elbow with a suitable replacment from the auto part misc parts cards display had it running smoothly and the O2 sensor switching properly. Since this was happening at idle it was not the fuel filter which can cause a lean condition in upper rpms. It is not the MAF or the O2 sensor since it switches when not at idle. Also check the smaller vacuum lines that go to the evap control from the intake vacuum ports (back of manifold just below the throttlebody, most will be cracking if your car is anything like mine. I have also seen this problem with a bad PCV valve.

Posted on Jun 14, 2010

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2 Answers

Cranks for a long time to start up when it has sat for a while.suspect fuel pressure not staying in feul rail.do i have to drop tank to replace feul pump? jgsabates@verizon.net


Check the Fuel Pressure at the fuel rail with a gauge first

Before you start replacing a fuel pump make sure
the other systems on your car are working correctly

Spark Plugs
Old Gas Filter
Old Air Filter
Dirty MAF Sensor
Old O2 Sensors
Clogged Exhaust Converter
Vacuum Leaks

Apr 24, 2011 | 2001 Ford Escort ZX2

2 Answers

Trouble code 172 ford escort


system to rich(bank 1). Clean the MAF with QD electronics cleaner and see if it fixes the problem. Otherwise, you might need to replace the 1st o2 sensor and/or the maf. bank 1 is the bank where #1 cylinder is. also check all vacuum lines. if cleaning maf sensor does not help, then replace front 02 sensor on bank 1. the one before converter.

Jul 30, 2010 | 1994 Ford Escort

1 Answer

I need a diagram to the location of the oxygen sensors on a 1997 ford escort lx


THERE IS ONE O2 SENSOR IT IS IN THE EXHAUST JUST OFF THE ENGINE AND BEFORE THE CATALYTIC CONVERTER, THE3 OTHER SENSOR AFTER THE CAT CONVERTER IS CALLED A CATALYTIC CONVERTER PERFORMANCE MONITOR, IT LOOKS LIKE A O2 BUT IS NOT..

Jul 05, 2010 | 1997 Ford Escort

1 Answer

Where is the upsteam O2 sensor located on a 2000 ford escort


Find the catalytic converter in the exhaust system, follow it toward the engine and the upstream o2 sensor will be in the exhaust pipe or manifold. This is assuming it has a 4cylinder. If it's a 6 cylinder you will have to determine which bank (side) o2 sensor needs to be replaced.

Jun 08, 2010 | 2000 Ford Escort

1 Answer

I got error code for bad o2 sensor. and MAF sensor


you're looking at this the wrong way, i suspect you have an engine problem, do a compression and leak down test, also look for a vacuum leak after the maf sensor

May 28, 2010 | 1998 Ford Escort

2 Answers

Where is the mass air flow sensor located on a 2001 ford escort - not the zx2 coupe


not sure but you can go to autozone.com and sign up then put make,model and year of your car and it will show you a diagram..just look for diagram of your car motor..

Aug 11, 2009 | 2001 Ford Escort ZX2

2 Answers

2001 ford escort 4 dorr. 2.0 sohc engine


A code P0171 may mean that one or more of the following has happened:
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where theMaf Sensors leak the silicone potting material used to protect the circuitry.
  • There could be a downstream vacuum leak of the MAF sensor. or a leaking intake manifold gasket or loose vacuum hose on the engine.
Possible solutions include:
  • In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure

Jul 15, 2009 | 2001 Ford Escort ZX2

1 Answer

Oxygen Sensor Location 2001 Ford Expedition Eddie Bauer


There are four o2 sensors on this truck. one on each side just below the exhaust manifold, and one on each side behind the second catalytic converters. (just about even with the back of the front doors.

Jun 16, 2008 | 2001 Ford Expedition

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