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Bad Cam Position Sensor?

Takes a bit for my tach to move when starting it. And during idel after starting you can see the rpms bouncing up/down a little bit. These rpms coincide with the vibrations


 


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Check Engine Light and Cam Sensor - AutoZone Car Care
http://www.autozone.com/autozone/accessories/Tools-Garage-and-Equipment/Cod e-Reader/_/N-25iq In the third installment of the AutoZone Complete Car Care - Check Engine Light Series, Bruce Bonebrake shows you how to troubleshoot the Camshaft Position Sensor. Learn how to use this information to diagnose and target the cause of your vehicle's check engine light warning.





2003 Nissan Altima S - Camshaft & Crankshaft Position Sensors
2003 Nissan Altima S 2.5L W/Automatic Transmission PROBLEM: INTERMITTENT NO-STARTS & ROUGH-STARTS WITH NO DTCs SET. A LOCAL AUTOSHOP HAD REPLACED ONLY THE CAMSHAFT POSITION SENSOR, MADE SURE NO DTCs PRESENT AND OPS CHECK GOOD. HOWEVER, THE PROBLEM RETURNED. NOW, THE SAME AUTOSHOP BELIEVES THAT THE FAULT IS WITH THE TRANSMISSION FLEX PLATE, WHICH MAY HAVE DAMAGED THE CRANKSHAFT POSITION SENSOR AS WELL, ACCORDING TO HIM. ESTIMATE IS AT ~$750. The mechanic didn't try to replace the Crankshaft sensor alone, he went straight for the Tranny drop. I figured go with the cheap fix first. If it comes back, then we will look into the Flex Plate. I replaced the recently replaced Camshaft sensor & the never been replaced Crankshaft sensor. So far, so good. Replacing the Camshaft sensor is a 2-minute job. The Crankshaft sensor will likely take 30 times as long. It seems like the Old Crankshaft Position sensor I removed was a bit high on a resistance check, when compared to brand new sensors. With too high a resistance value, the sensor may not make use of the full voltage it is receiving and/or it may not return the required amount of voltage to the Powertrain Control Module (PCM), which will lead to irregular engine operation or a no-start condition. Both Camshaft & Crankshaft sensors are the same part number. The 3rd version of the sensor is encased in metal, not plastic. The OEM part number is 23731-6N21A ($44 us) The old part numbers were encased in plastic. These part numbers should not be used: 23731-8J005 & 23731-8J006 FOR ONLINE PART PURCHASE: http://www.nissanpartszone.com/components/2003-nissan-altima_engine-control -module-226-12.html "DIGITALDXING" PROVIDED THE LINKS LISTED BELOW AND POSTED SOME PICTURES (2003 NISSAN ALTIMA 2.5L) http://x.nissanhelp.com/forums/members/digitaldxing-albums-2003-nissan-alti ma-crankshaft-position-sensor-picture331-2003-nissan-altima-crankshaft-posi tion-sensor.html#picturecomment_19 "PAUL" POSTED HIS PICUTRES HERE (2002 NISSAN ALTIMA 2.5L) http://www.paulstravelpictures.com/Nissan-Altima-Camshaft-Crankshaft-Sensor s/ "DENTNSHELL" POSTED HIS FIX HERE (2005 NISSAN ALTIMA 2.5L) http://dentnshell.com/Projects/2005Altima/CamkPosition.html "MULEMAN" POSTED A GREAT STEP-BY-STEP WRITE UP WITH PICTURES HERE (2006 NISSAN ALTIMA 2.5L) http://www.nissanclub.com/forums/f-q-2002-2006/286857-diy-crankshaft-positi on-sensor-cps-2006-2-5-altima.html Thanks a bunch, muleman. ...ACTUALLY, THAT WHOLE THREAD AT NISSANCLUB.COM IS A GOOD READ. Yahoo! Answers Best Answer - Chosen by Voters Nissan recalls that problem to reprogram the ECU. What happens the crank sensor electrical terminals seep oil into the crank sensors plug. The new metal crank sensors correct this problem. Location of this sensor on the back of the motor is difficult to change and you need gorrilia finger grip to depress the connector green lock and remove the sensor. Depending on your cars Vin# Recall Campaign # R0712 NHTSA# 07V-527. Hopefully your factory warranty replaces the sensor no charge 5yr/60,000 mile. The campaign only covers the ECM reprogram. The ECM reprogram makes both sensors act as one so either will allow the car to start. Stalling and not starting is a safety risk. Source(s): Nissan Master Technician (John Paul) http://answers.yahoo.com/question/index?qid=20080402214141AA7yQjR For some information on related DTC faults: http://www.obd-codes.com/p0340 http://www.obd-codes.com/p0335 http://www.obd-codes.com/p0385





How to Test Crankshaft and Camshaft sensors 1
How to Test Crankshaft and Camshaft sensors 1 Amazon Printed Books https://www.createspace.com/3623936 Amazon Kindle Edition http://www.amazon.com/Automotive-Testing-Diagnostic-Strategies-ebook/dp/B00 52YFOCI/ref=sr_1_2?s=digital-text&ie=UTF8&qid=1360016628&sr=1-2&keywords=se nsor+testing%2C+mandy+concepcion Android APPs https://play.google.com/store/apps/details?id=com.app.book.AOTLVEWIWPXAXYGM Z&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hcHAuYm9vay5BT1RMVkVXSVdQ WEFYWUdNWiJd Shows the operation and testing procedures of automotive cam and crk sensors, which supply the ECM with engine camshaft and crankshaft position. These two signals are essential for the engine to run. (note: We allow all schools and training institutions to use our software free of charge, so long as it is not sold to others. You're encouraged to download our free automotive simulation software for more information. *************************************************************************** ********* Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11





Crankshaft Position Sensor(car not starting)2
More testing on the Saturn Crankshaft Position Sensor.





How to Test Crankshaft and Camshaft Sensors 2
How to Test Crankshaft and Camshaft Sensors 2 Amazon Printed Books https://www.createspace.com/3623936 Amazon Kindle Edition http://www.amazon.com/Automotive-Testing-Diagnostic-Strategies-ebook/dp/B00 52YFOCI/ref=sr_1_2?s=digital-text&ie=UTF8&qid=1360016628&sr=1-2&keywords=se nsor+testing%2C+mandy+concepcion Android APPs https://play.google.com/store/apps/details?id=com.app.book.AOTLVEWIWPXAXYGM Z&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hcHAuYm9vay5BT1RMVkVXSVdQ WEFYWUdNWiJd Shows the testing procedures for automotive speed sensors. Video 2 of 2. (note: We allow all schools and training institutions to use our software free of charge, so long as it is not sold to others. You're encouraged to download our free automotive simulation software. *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11





nissan maxima 3.5 camshaft position sensor or camshaft sensor
check engine light came on. played around with the car a little more. the car stalls. when shifting to reverse hard shift. when placing car in D hard shift. when you drive it, it starts off in 5th gear. when put into tiptronic mode the shifter reads has gear 5. now when driving i have only 2 gears in tiptronic mode. im assuming 5 and maybe 3 or 4. later on that day i turned the car on and everything went away, the hard crank, the stalling, and the weird shifting. the next day i turn the car on and all of the symptoms came back. i went to autozone and they read the ecm with a cam shaft position sensor in bank 2 as the issue. my only question is would the cam shaft positioning sensor cause the car to shift crazy and only have reverse and 2 gears? and all the things i have mentioned? and is there a way to reset the ecu to see if it really is a sensor or just a hiccup. im all ears for sugestions before i bring it to the dealership and fork out hundreds of dollars.





CAM and CRK & Wiring Diagrams
CAM and CRK & Wiring Diagrams Amazon Printed Books https://www.createspace.com/3623928 Amazon Kindle Edition http://www.amazon.com/Automotive-Electronic-Diagnostics-Course-1-ebook/dp/B 0052MCTRI/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1360015586&sr=1-1&keywords= electronics+1%2C+mandy+concepcion Android APPs https://play.google.com/store/apps/details?id=com.app.book.AOTLXEBCBQELJLAB I&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hcHAuYm9vay5BT1RMWEVCQ0JR RUxKTEFCSSJd This video is dedicated to CAM and CRK sensor testing and operational parameter, but from an electrical and wiring diagram interpretation point of view. The CAM and CRK sensors are types of speed sensors. There are variations of each and these varieties will dictate the way you test the sensor. Explained here are specific electrical values, such as voltage signals and how the sensor is connected to the ECM itself. This is vital information since most of the diagnostic time is spent in analyzing the wiring diagrams for the component in question. Presented here using the latest CG and graphic animation technology. Part of our wiring diagram set of videos shown here on this channel. Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11





Bad Cam Angle Sensor (cas) on 2G DSM
A quick video documenting the typical 3-5 second idle/stall associated with a bad Cam Angle Sensor. I started out with a short idle problem on my 1995 Talon TSI. The car would idle for about 3 seconds then stall. After struggling to find a cause I was lucky enough to notice the CAS code reoccurring on my OBDII Scan tool. This video is to help folks with this problem identify, and perform the replacement of of the Cam Angle Sensor. Hope you find this helpful and please feel free to like/comment/subscribe!!





The Hardest Cold Start of a 7.3L Powerstroke On Earth. Taking nearly 6 minutes.
Ok maybe not THE hardest, but I believe it could possibly qualify. ICP sensor leaking oil which in turn ruined the wiring harness. The computer is ignoring the ICP totally here, and this is why it was starting and running like this. When the computer ignores the ICP sensor the PCM opens and closes the IPR abruptly, looking at other sensors (CPS, EOT and EBPV) to determine what the ICP should be. Usually it sets it at 700 and 3000~ psi and that's it. I believe this is why it had such an un-stable idle. Got a new sensor and wiring harness and all is well.





Is Your Car Hesitating. It May Need A New Throttle Position Sensor
Scotty Kilmer, mechanic for the last 46 years, shows how to fix a car that hesitates while accelerating. It can be as simple as a bad throttle position sensor, which you can easily replace yourself. And, If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on YouTube. I answer your car questions LIVE there. Just check it out at https://www.youtube.com/watch?v=VognjkYaMjg&list=UUuxpxCCevIlF-k-K5YU8XPA&f eature=c4-overview . And remember, every TUESDAY I upload a new video, so don't miss them.





Ford Taurus Cam Sensor Problems
www.scannerdanner.com This is a common problem on Ford systems that use this style of camshaft sensor. In particular the 3.0 and 3.8L engines.





P0325 Knock Sensor Diagnosis - EricTheCarGuy
Visit me at: http://www.ericthecarguy.com/ Wells website http://www.wellsve.com/ Wells YouTube (great videos I recommend you subscribe) http://www.youtube.com/user/markjhicks As you can see by the title this video covers the diagnosis and repair of a P0325 on my 1997 Subaru Legacy L model with 2.2L engine backed by an auto trans. I did have some trouble with the 'factory' diagnostic procedure but thankfully my friend Mark at Wells Electronics had a test that involved a voltage drop across the sensor that worked perfectly. I hope this video illustrates the import ants of understanding a circuit that you're diagnosing as opposed to just throwing parts at something, with a little time and effort you can do a proper diagnosis. --- Click below and Stay Dirty Visit me at EricTheCarGuy.com http://ericthecarguy.com/ Visit EricTheCarGuy Forum http://www.ericthecarguy.com/forum/default.aspx Visit my Facebook Page: http://www.facebook.com/EricTheCarGuy --- Stay dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.





Very Hard Cold Start 7.3 Power Stroke
-12 Degrees Overnight. Tempature was Zero Degrees When I Made This Video At 9am. Truck Has Not Been Plugged In At All This Winter Yet. Later Came To Find Out After Straight Piping The Exhuast I Was Down A Cylinder Cause I Had A Fried Injector Harness. 1996 7.3L F250 Power Stroke XLT. Truck Has 157k Miles 4.10 Gears New Exhaust Coming Soon!!!





How to polish a crank ( crankshaft )
Engine-Guru.com Presents a video on how to polish your crank shaft. Any questions call 616-430-3114 ask for KYLE. We are located out of Grand Rapids ,Michigan.





Ford Ranger Camshaft Synchro Replacement
A bad camshaft synchro was driving me nuts with it's chirping and recently was causing some bucking/missing from the engine at high rpms. There was a TSB on this...google it, it's there (search for "ford 3.0L cam synchronizer tsb"). This worked out well for me, but I'm not a mechanic. I have no professional mechanical training. So, embark on this task at your own risk. I will not be held responsible if you screw something up on your vehicle. There's your disclaimer...you have been warned.




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