Question about 1996 Ford Taurus

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Oil light stays on 3.0 no lubrication to upper heads

Oil light stays on 3.0 v6 no lubrication in upper heads just changed camshaft positioning sensor checked out oil pump seems to be working fine stuck dont know what else it could be besides sheared cam lobe

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  • Dartonpro May 11, 2010

    do you know by looking as its running or just from what the light is saying, it could simply be the sensor that operates the light has failed. It is located under hood, center, lower engine area, mounted on rear driver side of engine. If you buy one, should be called an oil pressure switch.

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Try pulling the electrical connector for the oil pressure sensor first. Examine the connections on both the connector and the sensor terminals and clean up both any dirt, grease, or corrossion. Reattach the connector and check the oil light again. If it is still lighting up, replace the sensor/sending unit.

If your engine is the OHV Vulcan engine, the oil pressure sensor/sending unit is at the rear of the block, just ahead of the transaxle. If you have the OHC engine, the sensor/sending unit is on front side of the block above the oil filter.

Why do you note "no lubrication in upper heads"? How would you know that? Next step if sensor replacement does not help, is running the OBDII Diagnostics and checking the trouble codes, if any.

Posted on Nov 20, 2008

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I have a 2002 Nissan Frontier 3.3l v6 I'm about to change my knock sensor but I also need to change the camshaft position sensor but I'm not positive of where it is located it say bank 1??????


I'm willing to bet you have weak upper O2 sensors & there's nothing wrong with your knock sensor. But if you want, the knock sensor is under the lower intake manifold in the back that is located under the upper intake manifold also called the upper plenum. The lower intake manifold is wedged between the 2 heads and is an enormous pain in the azz to get to. You can check the O2 sensors with a scanning tool that will show you the upper sensors in bank 1 & 2 bouncing electrical current from about .5v to 5v several times per second. Anything less show weak sluggish sensors. The resulting lean mixture causes a knock. Change the sensors and the knock goes away and so does the engine light after you reset it. It took me 6 months to find this problem after replacing everything else including the 6mth old O2 sensors fresh from China. Now I have Bosch. PS The lower sensors went 2 weeks later & I was told any more problems it's the fuel regulator. 2001 Frontier 3.3l v6. No problems since, it purrs like a kitten. I'd suggest the Bosch, it's a special design for that 3.3l engine.

Sep 14, 2015 | Nissan Cars & Trucks

1 Answer

Camshaft position sensor bank 1


Bank one is passenger side cylinder bank.
Cam sensor should be at front of cylinder head.

Nov 08, 2013 | 2002 Audi A4

1 Answer

How do i reset the timing on 2001 2.7l concorde if the chain was replaced and the timing is off


Did you take pictures while removing the originals? It's always a good habit. Below are the instructions you need to follow. Your own pics are very helpful when doing a big job like this.
  1. Disconnect negative battery (1) cable.
  2. Drain cooling system.
  3. Remove upper intake manifold.
  4. Remove cylinder head covers, crankshaft vibration damper, and timing chain cover.
CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.
117014297

  1. Align crankshaft sprocket timing mark to mark on oil pump housing (2). The mark on oil pump housing is 600 ATDC of #1 cylinder.
CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT rotate the camshafts or crankshaft without first locating the proper crankshaft position. Failure to do so will result in valve and/or piston damage.
117016938

  1. Remove primary timing chain tensioner retainer cap (2) and tensioner (1) from right cylinder head.
117016939

  1. Disconnect and remove camshaft position sensor (4) from left cylinder head.
  2. Remove timing chain guide access plugs (3) from cylinder heads.
NOTE: When camshaft sprocket bolts are removed, the camshafts will rotate in a clockwise direction.
  1. Starting with the right camshaft sprocket, remove the sprocket attaching bolts. Remove camshaft damper (1) (if equipped) and sprocket.
  2. Remove left side camshaft sprocket attaching bolts and remove sprocket.
  3. Remove lower chain guide (7) and tensioner arm (8).
  4. Remove the primary timing chain (5).
  5. Remove crankshaft sprocket (6).
INSTALLATION
117016940

  1. Inspect all sprockets (4,9,11) and chain guides (2,5,10). Replace if worn.
  2. For crankshaft sprocket installation procedures Refer to CRANKSHAFT SPROCKET.
  3. If removed, install right and left side short chain guides (11). Tighten attaching bolts to 28 Nm (250 inch lbs.) .
  4. Align crankshaft sprocket timing mark to the mark on oil pump housing (3).
NOTE: Lubricate timing chain and guides with engine oil before installation.
  1. Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links (1).
117016941

  1. Lower the primary chain with left side sprocket through the left cylinder head opening.
NOTE: The camshaft sprockets can be allowed to float on the camshaft hub during installation.
  1. Loosely position left side camshaft sprocket over camshaft hub.
  2. Align timing (plated) link to the crankshaft sprocket timing mark (3).
  3. Position primary chain onto water pump drive sprocket (10).
  4. Align right camshaft sprocket timing mark to the timing (plated) link on the timing chain (8) and loosely position over camshaft hub.
  5. Verify that all chain timing (plated) links are properly aligned to the timing marks on all sprockets.
  6. Install left side lower chain guide (2) and tensioner arm (5). Tighten attaching bolts to 28 Nm (250 inch lbs.) .
NOTE: Inspect O-ring on chain guide access plugs before installing. Replace O-ring as necessary.
  1. Install chain guide access plugs to cylinder heads. Tighten plugs to 20 Nm (15 ft. lbs.) .
NOTE: To reset the primary timing chain tensioner, engine oil will first need to be purged from the tensioner.
117016942

  1. Purge oil from timing chain tensioner using the following procedure:
    1. Place the check ball (2) end of tensioner into the shallow end of Special Tool 8186 (3).
    2. Using hand pressure, slowly depress tensioner until oil is purged from tensioner.
117016943

  1. Reset timing chain tensioner using the following procedure:
    1. Position cylinder plunger (4) into the deeper end of Special Tool 8186 (3).
    2. Apply a downward force until tensioner is reset.
NOTE: If oil was not first purged from the tensioner, use slight finger pressure to assist the center arm pin of Special Tool 8186 to unseat the tensioner's check ball.

CAUTION: Ensure the tensioner is properly reset. The tensioner body (4) must bottom against the top edge of Special Tool 8186 (3). Failure to properly perform the resetting procedure may cause tensioner jamming.

NOTE: Inspect the tensioner O-ring (2) for nicks or cuts and make sure the snap ring (1) is correctly installed, replace as necessary.
117016944

  1. Install the reset chain tensioner (1) into the right cylinder head.
  2. Position tensioner retaining plate (2) and tighten bolts (1) to 12 Nm (105 inch lbs.) .
117016945

  1. Starting at the right cylinder bank, first position the camshaft damper (1) (if equipped) on camshaft hub, then insert a 3/8 square drive extension with a breaker bar into intake camshaft drive hub. Rotate camshaft until the camshaft hub aligns to the camshaft sprocket and damper attaching holes. Install the sprocket attaching bolts and tighten to 28 Nm (250 inch lbs.) .
  2. Turn the left side camshaft by inserting a 3/8 square drive extension with a breaker bar into intake camshaft drive hub and rotate camshaft until the sprocket attaching bolts can be installed. Tighten sprocket bolts to 28 Nm (250 inch lbs.).
  3. Rotate engine slightly clockwise to remove timing chain slack, if necessary.
117016946

  1. Activate the timing chain tensioner by using a flat bladed pry tool to gently pry tensioner arm towards the tensioner slightly. Then release the tensioner arm. Verify the tensioner is activated (extends).
117016947

  1. Install camshaft position sensor (2) and connect electrical connector.
  2. Install the timing chain cover, crankshaft vibration damper, and cylinder head covers.
  3. Install upper intake manifold.
NOTE: After installation of a reset tensioner, engine noise will occur after initial start-up. This noise will normally disappear within 5-10 seconds.
  1. Fill cooling system.

Mar 27, 2013 | 2001 Chrysler Concorde

2 Answers

Where is the camshaft position sensor located on a 1997 Oldsmobile Cutlass Supreme 3.1 ?


Removal & Installation 3.1L Engine To Remove:
CMP sensor 93174g24.gif

  1. Disconnect the battery ground cable.
  2. Remove the power steering pump and set aside with the lines connected.
  3. Disconnect the camshaft position (CMP) sensor electrical connector.
  4. Remove the CMP mounting bolt.
  5. Remove the CMP sensor.
  6. Check the O-ring for damage and replace if necessary.
To Install:
NOTE: Lubricate the O-ring with clean engine oil.
  1. Install the camshaft position sensor.
    • Tighten the mounting bolt to 89 in lb (10 Nm).
  2. Connect the CMP sensor electrical connector.
  3. Install the power steering pump.
3.4L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Detach the electrical connector from the camshaft position sensor.
  3. Remove the sensor retainer bolt and carefully pull the sensor from the camshaft carrier. An O-ring seal may hold the sensor in place. Use care not to lose the O-ring.
Camshaft Position (CMP) sensor removal (3.4L (VIN X) engine) 93174g25.gif

To Install:
  1. Installation is the reverse of the removal procedure.
  2. Before installing a replacement camshaft sensor, lubricate the new O-ring with clean engine oil.
    • Tighten the bolt to 88 inch lbs. (10 Nm). Do not over-tighten.
  3. Connect the negative battery cable.
3.8L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Detach the electrical connector from the camshaft position sensor. Camshaft Position Sensor removal (3.8L engines) 93174g26.gif

  3. Remove the retaining screw and separate the sensor from the front cover.
To Install:
  1. Installation the sensor in the front cover.
  2. Tighten the bolt to just 44 inch lbs. (5 Nm). Do not over-tighten. Verify the electrical connector is secure.
  3. Connect the negative battery cable.
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Aug 26, 2010 | 1997 Oldsmobile Cutlass Supreme

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

No oil pressure, camshaft position sensor error,


Yes, the sensor is in small housing the goes in the hole where the distributor used to go. That also drives the oil pump so don't drive it you'll ruin the engine. It's located down under the throttle body, near transmission end of the engine.

Jan 04, 2010 | 1997 Mercury Sable

4 Answers

Where do i find the camshaft position sensor A on a 1995 plymouth neon


Why are you looking for a cam sensor (cmp). You can test the sensor for any and all diagnostics up above in the harness for the 5v reference signal that allows it to operate properly. You can also check the pulse/signal in the harness as well.

It's either on the front of the head or the back, however, your model, depending on the engine, may have a camshaft synchronizer, in whch case it would appear to take the place of where a distributor would have been. I think the cam sensors on the chryslers are on the front and the crank (ckp) sensor (engine speed sensor according to Chrysler) is in the back down low by the rear of the engine.

What's the problem you're trying to solve? A crank, no start? Surging?

Kevin

Jul 28, 2009 | 1995 Plymouth Neon

2 Answers

When replacing the camshaft sensor in a 1999 alero 3.4 v6...does the intake manifold have to be removed?


No i will post the procedure below.


3.4L REMOVAL OF CAM SENSOR

1. Turn OFF the ignition.

2. Remove the serpentine drive belt.

3. Disconnect the sensor electrical connector.

4. Remove the power steering pump, if required.

5. Remove the attaching bolt.

6. Remove the sensor.

7. Inspect the sensor for wear, cracks or leakage if the sensor is not being replaced.



To install:

1. Lubricate the O-ring with clean engine oil and replace if damaged.

2. Install the camshaft Position Sensor.

3. Tighten the retaining bolt to 8 ft. lbs. (10 Nm).

4. Connect the sensor electrical connector.

5. Install the power steering pump, if removed.

6. Reinstall the serpentine drive belt.


May 25, 2009 | Oldsmobile Alero Cars & Trucks

2 Answers

Need help finding camshaft position sensor


2.0L 2.4L Removal The camshaft position sensor is mounted to the rear of the cylinder head.

Remove the negative battery cable. Disconnect the PCV hose and reposition Disconnect electrical connectors from the camshaft position sensor. Remove camshaft position sensor mounting screws. Remove sensor.Loosen screw attaching target magnet to rear of camshaft and remove magnet.
Instalation The target magnet has locating dowels that fit into machined locating holes in the end of the camshaft.
- Install target magnet in end of camshaft. Tighten mounting screw to 3 Nm (30 in. lbs.) torque. Over torqueing could cause cracks in magnet. If magnet cracks replace it.
- Install camshaft position sensor. Tighten sensor mounting screws to 12.9 Nm (115 in. lbs.) torque.
- Carefully attach electrical connector to camshaft position sensor. Installation at an angle may damage the sensor pins. - Connect the PCV Valve hose. - Connect the negative battery cable.
2.7L V6 Removal
The camshaft position sensor is mounted in the front of the head.

Disconnect electrical connector from sensor. Remove camshaft position sensor screw.
CAM Sensor Location 2.7L
Without pulling on the connector, pull the sensor out of the chain case cover.

Installation - Install sensor in the chain case cover and push sensor in until contact is made with the boss on the head. While holding the sensor in this position,install and tighten the retaining bolt to 12 Nm (105 in. lbs.) torque.
- Attach electrical connector to sensor.

Good luck and hope this helps





May 02, 2009 | Dodge Stratus Cars & Trucks

1 Answer

Cant find cam sensor in 2004 dodge stratus r/t


2.0L 2.4L it is on The BACK OF the Cylinder Head REMOVAL
The camshaft position sensor is mounted to the rear of the cylinder head.

  1. Remove the negative battery cable.
  2. Disconnect the PCV hose and reposition.
    1. Disconnect electrical connectors from the camshaft position sensor.
    2. Remove camshaft position sensor mounting screws. Remove sensor.
      1. Loosen screw attaching target magnet to rear of camshaft and remove magnet.
      INSTALLATION
      The target magnet has locating dowels that fit into machined locating holes in the end of the camshaft.

      1. Install target magnet in end of camshaft. Tighten mounting screw to 3 Nm (30 in. lbs.) torque. Over torqueing could cause cracks in magnet. If magnet cracks replace it.
      2. Install camshaft position sensor. Tighten sensor mounting screws to 12.9 Nm (115 in. lbs.) torque.
      3. Carefully attach electrical connector to camshaft position sensor. Installation at an angle may damage the sensor pins.
      4. Connect the PCV Valve hose.
      5. Connect the negative battery cable.
2.7L V6
REMOVAL
The camshaft position sensor is mounted in the front of the head.
  1. Disconnect electrical connector from sensor.
  2. Remove camshaft position sensor screw.
CAM Sensor Location 2.7L
  1. Without pulling on the connector, pull the sensor out of the chain case cover.
INSTALLATION
The camshaft position sensor is mounted in the front of the head.

  1. Install sensor in the chain case cover and push sensor in until contact is made with the boss on the head. While holding the sensor in this position,install and tighten the retaining bolt to 12 Nm (105 in. lbs.) torque.
  2. Attach electrical connector to sensor.

Feb 12, 2009 | 2004 Dodge Stratus

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