Question about 2000 Ford Escort

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Check engine light will not turn off '99 Ford zx2

Computer shows problem with camshaft position sensor. Sensor has been replaced 3 times, wiring has been traced with no problems, and timing has been checked and is ok. Please HELP!!

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  • enronloser2 Mar 11, 2009

    The code has been cleared several times. Initially, the light would stay off for about 45 miles now it comes on immediately on the next crank up. I do not know the code, I am about 200 miles from the car right now. I will get that posted as soon as I find out.

  • Curt Downs May 11, 2010

    After the camshaft position sensor was replaced, was the code erased with a scan tool?

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Looks like you have tried everything to turn off the check engine light. However, did you find out the error code for this? Until you resolve the issue, the light will keep coming back. You need to get diagnostics done

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Posted on Mar 11, 2009

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Where is the crank position sensor located on the 2.0 ford escort zx2


possibly go back to the camshaft sensor and make sure the connector is clean the crank sensor looks like this
25431644-mw15b40k2qagavg3tg52bcrc-2-0.jpg
and is on the side of the engine block did you disconnect both battery cables to clear the codes? if not that's why it came up again if you did please check the wires that connect to the sensor and trace it back looking for holes that may have been pierced in the wire by someone trying to search the circuit if you find this the wire may look like it's green oxidized inside and has eaten through the wire from air exposure and the wire connection is broken an open circuit now exists here if not try to search all the way to the computer connector it could be broken there

Feb 15, 2015 | Ford Cars & Trucks

3 Answers

I have a Chevy 2006 Aveo. Two codes came up when the engine check light was put on a scanner. Code P0340 and Code P0133. The check engine light has turned off and on by itself several times in the...


P0340 OBD-II Trouble Code - Camshaft Position Sensor Circuit Malfunction

This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM. Don't just replace the CPS (camshaft position sensor) and think that will definitely fix it.

Symptoms can include:
* Hard starting or no start
* Rough running / misfiring
* Loss of engine power

Causes: A code P0340 could mean one or more of the following has happened:
* a wire or connector in the circuit could be grounded/shorted/broken
* the camshaft position sensor may have failed
* the PCM may have failed
* there exists an open circuit
* the crankshaft position sensor may have failed

Possible Solutions: With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
* Visually inspect all the wiring and connectors in the circuit
* Check for continuity in the circuit wiring
* Check the operation (voltage) of the camshaft position sensor
* Replace the camshaft position sensor as required
* Check the crankshaft position circuit as well
* Replace circuit wiring and/or connectors as required
* Diagnose/replace the PCM as required



P0133 OBD-II Trouble Code - Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)

This involves the front oxygen sensor on Bank 1. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.

Symptoms: You will likely not notice any drivability problems, although there may be symptoms.

Causes: A code P0133 may mean that one or more of the following has happened:
* The oxygen sensor is faulty
* The wiring to the sensor is broken / frayed
* There is an exhaust leak

Possible Solutions: The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:
* Check and fix any exhaust leaks
* Check for wiring problems (shorted, frayed wires)
* Check the frequency and amplitude of the oxygen sensor (advanced)
* Check for a deteriorating / contaminated oxygen sensor, replace if necessary
* Check for inlet air leaks
* Check the MAF sensor for proper operation


Hope this helps (remember to rate this answer).

Feb 09, 2011 | 1999 Chevrolet K1500

3 Answers

I ran a code on my 99 dodge ram 1500 and it came back with " no cam signal at pcm" what does that mean exactly


Hi, the camshaft position sensor signal is not reaching the powertrain control module. This can be a problem with the sensor, the connector, or the wiring. The sensor is inside the distributor. See figure below and some test procedures you can try from Autozone.com. Please let me know if you have more questions, and thanks for using FixYa.

jturcotte_695.gif


TESTING
To completely test this sensor and circuitry, you need the DRBII scan tool, or equivalent. This is a test of the camshaft position sensor only.
For this test you will need an analog (non-digital) voltmeter. Do NOT remove the distributor connector. Using small paper clips, insert them into the backside of the distributor wire harness connector to make contact with the terminals. Do NOT damage the connector when inserting the paper clips. Attach the voltmeter leads to these clips.

  1. Connect the positive voltmeter lead to the sensor output wire.
  2. Connect the negative voltmeter lead to the ground wire.

jturcotte_696.gif

        Fig. Camshaft Position Sensor circuit schematic
        jturcotte_697.gif
        Fig. Camshaft Position Sensor wires: (1) ORN (5v supply), (2) BK/LB (sensor ground), (3) TN/YL (camshaft position sensor signal)

        1. Turn the ignition ON . Rotate the engine. The meter should show a reading of less than 1 volt and a high voltage reading of 5.0 volts as the high and low points on the wheel pass the sensor.
        2. If there is no voltage reading at all, check the meter connections.
        3. If voltage is still not present, check for voltage at the supply wire.
        4. If 5.0 volts is not found at the supply wire, check for voltage at cavity A-17 of the 32-way connector. Leave the engine controller harness connected for this test.
        NOTE If voltage is not found at the PCM connector, you will need to diagnose the system using a DRBII scan tool, or equivalent, or take the vehicle to a qualified shop.

        1. If voltage is present at the engine controller connector, but not the supply wire:
          1. Check continuity between the sensor and supply wire. This is checked between the distributor connector and cavity A-17 . If continuity is not present, repair the wire harness.
          2. Check for continuity between the camshaft position sensor output wire and cavity A-18 at the engine controller. If continuity is not present, repair the wire harness.
          3. Check for continuity between the ground circuit wire at the distributor connector and ground. If continuity is not present, repair the wire harness.

        2. Crank the engine while observing the voltmeter. The voltmeter needle should fluctuate 0-5 volts, approximately. This will verify the camshaft position sensor is operating properly and a sync pulse signal is being generated.
        3. If a sync pulse signal is not detected, and all other variables have been eliminated, replace the camshaft position sensor.

        Jan 02, 2011 | 1999 Dodge Ram

        2 Answers

        Location of cam and crank position sensors


        The cam sensor is located at the front right front side of the cylinter head, while you are facing the engine.---------- The crank position sensor located below the pcv valve that is located on block not the valve cover, its below the exhaust manifold. You will have to remove the catalytic converter to see the exact view of both the sensors. The camshaft sensor is on the head. The crankshaft sensor is in the block, just below the exhaust manifold. ------------ Thanks.Helpmech.

        Nov 12, 2010 | 2001 Ford Escort ZX2

        2 Answers

        Changed timing belt on my 99 ford escort zx2 car no


        if you have a no spark scenario i would check your crank sensor located at the top left side of the harmonic balance pulley.the crankshaft (about 11'oclock) a 2 wire plug with a sensor on it check to see if it is damaged or unsecured. this sensor can cause no spark if not working correctly. This sensor is based of frequency not voltage testing is difficult, just make sure that there isnt too muck air gap. and that it is secured.Lastly may want to check timing possible that the belt has jumped some teeth and she has fallen out of timing. maybe a bad tensioner The coil will adapt i think up to 10 degree, ****** or advance. Good luck

        Apr 18, 2010 | 1999 Ford Escort

        2 Answers

        Toyota ipsum 2002 check light comes on with code P1346.


        Definition of Diagnostic Trouble Code P1346 Audi: Ignition Coil Power Output Stage 3 Short to B+ BMW: Misfire During Start Cylinder 3 Buick: Intake Camshaft Position [CMP] Sensor System Performance Cadillac: Intake Camshaft Position [CMP] Sensor System Performance Chevrolet: Intake Camshaft Position [CMP] Sensor System Performance Ford: Fuel Level Sensor B Circuit GMC: Intake Camshaft Position [CMP] Sensor System Performance Lexus: VVT Sensor Rang/Performance Problem (Bank 1) Lincoln: Fuel Level Sensor B Circuit Mazda: Fuel Level Sensor B Circuit Mercury: Fuel Level Sensor B Circuit Oldsmobile: Intake Camshaft Position [CMP] Sensor System Performance Pontiac: Intake Camshaft Position [CMP] Sensor System Performance Saturn: Intake Camshaft Position [CMP] Sensor System Performance Toyota: VVT Sensor /Camshaft Position Sensor Circuit Range/ Performance Problem (Bank 1) Volkswagen: Ignition Coil Power Output Stage 3 Short to B+

        Mar 12, 2010 | 2001 Toyota Sienna

        2 Answers

        My 2002 alero has 65,000 miles and ran great until I was in an accident a few days ago. I tried to start it and it wouldn't start. The check engine light came on and the low track light too. After a few...


        Sounds like the Crankshaft sensor is damaged and needs to be replaced.
        The Camshaft position sensor works along with the Crankshaft position sensor.
        Determining the timing and injectors’ pulse, to deliver fuel to the cylinders.
        The Camshaft position sensor is a hall sensor, which it triggered by a magnet in the Camshaft.

        On 4 cyl(2.4) models the Camshaft position sensor is located to the left side of the timing cover.
        On the V6(3.1 & 3.4) it’s located at the front of the engine block (passenger side), below the power steering pump.
        Check the terminals for breaks and looseness, repair if needed.

        Here is the plug indentification picture.
        The wires are different for the 4cyl and V6, Please note below.
        Though the plugs are the same three wire connectors.

        Plug is as listed : 1 - Camshaft position sensor signal on 4 cyl,
        12 volt supply on the V6
        2 – Sensor ground 4 cylinder,
        Camshaft position sensor signal on the V6
        3 – 12 volt supply on the 4 cylinder,
        sensor ground on the V6

        First check for voltage and ground circuits from the PCM.
        Disconnect the electrical connector from the Camshaft sensor and connect the positive lead (on the wiring harness) of the voltmeter to the red wire(#3) on the 4 cyl and the red/white wire on the V6(#1).

        Connect the negative to the pink/black wire on the 4 cyl(#2), or black on the V6(#3).
        Turn the key on, the voltmeter should read 12 volts, if not check the wiring to the PCM.
        If the circuits are good, have the PCM checked out by a Dealer or other properly trained shop.

        To check the operations;
        Reconnect the Camshaft position sensor, using a probe to back probe the brown/white wire terminal of the camshaft PS. Plug locations on4 cyl (#1) and theV6(#2)
        Connect the positive lead of the voltmeter to the probe and the negative to a good engine ground.
        Turn the key on, the voltmeter should read approx 10 volts.

        *Rotating the engine by hand with a breaker bar attached to the crank pulley. Watching the voltmeter, the voltage should remain a steady 10volts then quickly drop to zero and back to 10vlts as the magnet passes the sensor.
        If the tests results are incorrect then replace the camshaft position sensor.

        * Rotating the engine slowly, and at least two full revolutions of the engine for accurate results.


        Camshaft sensor Replacement

        On the 4 cylinder
        - Disconnect the electrical connector
        - Remove the camshaft position sensor-mounting bolt and pull the sensor out of the camshaft cover.
        - Replace the “O” ring and lightly lubricate it with clean engine oil.
        - Install in the reverse of those procedures.

        On V6
        - Remover the drive belt.
        - Remove the power steering unit but don’t disconnect the hoses, just lay it aside.
        - Disconnect the electrical connector from the harness; paying attention to the route the wires are in.
        - Remove the camshaft ps mounting bolt and pull the sensor out of the block.
        - Install in reverse procedure.

        If the sensor flange breaks off and you cant remove the CPS, try screwing a heavy screw into the top of the sensor and pulling it out with plyers/vise-grips.

        Good luck and thank you for using Fixya

        Mar 10, 2010 | 2002 Oldsmobile Alero

        1 Answer

        2002 ford escort zx2 camshaft sensor fit a 99 zx2?


        Yes, All the years of the ZX2 utilize the same engine. 1998-2003 are all the same except for ECU programing and the MAF wiring. You should not have a problem.

        Apr 07, 2009 | 2002 Ford ZX2

        1 Answer

        1993 ford taurus, replaced all starting and charging componets still no spark to plugs. Checked all fuses and all fusible links. Replaced key switch, ignition switch,neutral safty...


        The camshaft position sensor sends a signal to the PCM, powertrain control module. The PCM then determines spark plug firing. Could be the camshaft position sensor.

        1996 is all I have
        Camshaft Position (CMP) Sensor 3.0L (2V) Engine
        The camshaft position sensor (CMP sensor) (12126):
        • is a single Hall-effect magnetic switch activated by a single vane which is driven by the camshaft (6250).
        • provides camshaft position information which is used by the ignition coil (12029) and the powertrain control module (PCM) (12A650) for fuel synchronization.
        3.0L (4V) Engine
        The camshaft position sensor (CMP sensor) (6B288) is:
        • a variable reluctance sensor.
        • triggered by the high-point mark on the LH exhaust camshaft sprocket (6256).
        -----------------
        3.0L (2V) Engine
        SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Syncro Positioning Tool T95T-12200-A
        sth~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the camshaft position sensor (CMP sensor) (12126), set cylinder No.1 to zero degrees top dead center (TDC) of compression stroke. Then note the position of the camshaft position sensor electrical connector. The installation procedure requires that the connector be located in the same position.
        Removal
        1. Disconnect battery ground cable. Refer to Section 14-01 .
        1. Disconnect engine control sensor wiring connector from camshaft position sensor.
        1. Remove camshaft position sensor retaining screws and camshaft position sensor from camshaft position sensor housing.
        1. If removing camshaft position sensor housing from the cylinder block (6010), proceed with Removal Step 5. If not removing camshaft position sensor housing, proceed to installation Step 6.
        1. Remove hold-down clamp (bolt and washer assembly).
        1. Remove camshaft position sensor housing from cylinder block.
        Installation
        1. sth~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: A special service tool such as Syncro Positioning Tool T95T-12200-A must be obtained prior to installation of the replacement camshaft position sensor. Failure to follow this procedure will result in improper camshaft position sensor alignment. This will result in the fuel system being out of time with the engine, possibly causing engine damage.
          Attach Syncro Positioning Tool T95T-12200-A as follows:
          1. Engage camshaft position sensor housing vane into the radial slot of the tool.
          1. Rotate tool on camshaft position sensor housing until tool boss engages notch in camshaft position sensor housing.
        1. Pre-lubricate synchronizer gear with engine oil meeting Ford specification ESE-M2C123-A prior to assembly.
        1. Install camshaft position sensor housing so that drive gear engagement occurs when arrow on locator tool is pointed approximately 75 degrees counterclockwise from the rear face of the cylinder block. This step will locate camshaft position sensor electrical connector in the pre-removal position.
        1. Roatate Syncro Positioning Tool T95T-12200-A clockwise slightly. This will engage oil pump intermediate shaft. Push downward while adjusting Syncro Positioning Tool T95T-12200-A until the Syncro Gear engages the camshaft gear.
        1. When synchronizer flange is fully seated against block, the installation tool should be facing counterclockwise of engine centerline approximately 33 to 45 degrees.
        1. Install hold-down clamp (washer and bolt) and tighten bolt to 19-30 Nm (14-22 lb-ft).
        1. Remove Syncro Positioning Tool T95T-12200-A.
        1. sth~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: If camshaft position sensor electrical connector is not positioned properly, DO NOT reposition the connector by rotating the camshaft position sensor housing. This will result in the fuel system being out of time with the engine, possibly causing engine damage. Remove the camshaft position sensor housing and repeat installation procedure, beginning with Step 1.
          Install camshaft position sensor and retaining screws. Tighten screws to 1.5-4.0 Nm (13-35 lb-in).
        1. Connect engine control sensor wiring connector to camshaft position sensor.
        1. Connect battery ground cable.
        824fa44.gif
        Item Part Number Description 1 T95T-12200-A Syncro Positioning Tool 2 — Water Outlet (Part of Intake Assy) 3 9424 Intake Manifold 4 N602704-S Screw and Washer 5 12126 Camshaft Position Sensor 6 12A362 Synchronizer Assembly 7 12270 Hold-Down Clamp A — Tighten to 1.5-4 Nm (13-35 Lb-In) B — Tighten to 19-30 Nm (14-22 Lb-Ft)

        Apr 04, 2009 | 1993 Ford Taurus

        1 Answer

        99 mercedes e320.check engine light on.po341


        that appears to be a camshaft position sensor performance code. you can start by checking to see if the sensor is working properly, re-check and make sure that the harness is ok by checking the resistance through the harness if all looks well there make sure the computer has the latest software on it by having it scanned at your local dealer. also you can check the reluctor wheel on the camshaft for damage or debris in the way of the sensor.

        hope this helps!

        Feb 17, 2009 | 1999 Mercedes-Benz E-Class

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