I checked fuel pump and is ok. turns over but does not start. Aslo a resistance test of the cam sensor will get you no-where since the camshaft position sensor is a Hall Effect type sensor that can not be Ohm-ed (resistance tested) with a multimeter. By signing up you are agreeing to receive emails according to our privacy policy. I get spark and i hear the fuel pump. Replacing crankshaft position sensor is easy, do it yourself project. Popular Answer. I replaced the camshaft position sensor on my 97 chevy tahoe with the 5.7 and now it won't start. crankshaft sensor failed. Hello, thank you for this webpage, very helpful. Once you've replaced your vehicle's O2 sensor, you'll need to reset the ECU so it can properly gather information from the new O2 sensor. Please consider supporting our work with a contribution to wikiHow. If CKP sensor variation learn procedure was terminated, this may be caused by PCM detecting a problem in cam Camshaft position sensors are simple switches that turn on and off as magnet on or in the camshaft passes. I thought the replacement sensor may have been bad so I took it back and got another one and replaced it. I went to Advance Auto Parts and purchased one (Part No. So I replaced the Crank, and Cam sensor which did not fix the problem. This information is then sent to the cars computer and is t… They also have a five-pin connector for the VVT and camshaft sensor. 2007 vw beetle when replacing rpm/ camshaft sensor 2 of the 3 wires on the engine harness side of the connector broke off. This port is situated underneath the dashboard on the driver's side of the vehicle, to the right of the steering column. The vehicle shut off a total of four times, but was able to be restarted. I replaced the camshaft position sensor on my 97 chevy tahoe with the 5.7 and now it won't start. I cleared the codes with snap on scanner, it started and I thought all was well, but later it ⦠This article has been viewed 42,152 times. Jump to Latest Follow Status Not open for further replies. Reply. These are two LS engine timing covers. Cleared the codes, drove 150 miles, and the CEL is back on. 4 people found this helpful. A new head gasket and still have the problem. The proper procedure for resyncing or relearning the crankshaft position is called the "CKP Variation Learn." References. When the crank sensor is replaced, it must be resynced to the PCM. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Sensor B indicates that the malfunction is occurring with the camshaft position sensor circuit that pertains to the exhaust camshaft. 92 *, Camshaft sensor ⦠wikiHow is where trusted research and expert knowledge come together. The O2 sensor then sends information to the electronic control unit, or ECU, the vehicle's computer. I'm going to try the battery disconnect when I get home. July 29, 2010 . I did some research and winded up replacing my Camshaft Actuator Solenoid, Intake Camshaft Position Sensor, and Exhaust Camshaft Position Sensor. 1 reply Report. I guess my real question is: do the codes HAVE to be cleared before the new O2 sensors will start working? Thanks to all authors for creating a page that has been read 42,152 times. Iâve tested the plug and crankshaft position sensor which came back 4.8 volts and .742 ohms respectfully. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bb\/Replace-a-Camshaft-Position-Sensor-on-a-2004-Nissan-Maxima-Step-1.jpg\/v4-460px-Replace-a-Camshaft-Position-Sensor-on-a-2004-Nissan-Maxima-Step-1.jpg","bigUrl":"\/images\/thumb\/b\/bb\/Replace-a-Camshaft-Position-Sensor-on-a-2004-Nissan-Maxima-Step-1.jpg\/aid4983067-v4-728px-Replace-a-Camshaft-Position-Sensor-on-a-2004-Nissan-Maxima-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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\n<\/p><\/div>"}, How to Replace a Camshaft Position Sensor on a 2004 Nissan Maxima, https://en.wikipedia.org/wiki/Crankshaft_position_sensor, http://www.justanswer.com/nissan/3do13-infiniti-i35-camshaft-position-sensor-the-slip-light-is-tcs-light.html, http://engine-codes.com/p0335_nissan.html, http://engine-codes.com/p0340_nissan.html, http://engine-codes.com/p0345_nissan.html, Please consider supporting our work with a contribution to wikiHow. Check Engine Light comes on. it means the ecm does not recognise the signal, the signal is not there or it is erratic. 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 The codes are P0335 (Crankshaft position sensor) and P0725 (Engine speed sensor). If not, be prepared for when/if it does happen. It was much worse than before. 92 Camshaft Sensor Failure ECU Fault Code No. Replacing crankshaft position sensor is easy, do it yourself project. I get spark and i hear the fuel pump. The camshaft sensor is located under the hood, beside the engine, however, it isnât always easy to find it. My car will not start. replaced and … Once you've replaced your vehicle's O2 sensor, you'll need to reset the ECU so it can properly gather information from the new O2 sensor. A "Relearn" is required for:-Engine replacement.-ECM replacement.-Crankshaft Damper replacement.-Crankshaft Position Sensor replacement. Check the crankshaft position circuit as well 6. Al Gibbs says: September 8, 2013 at 12:00 am. Others are ⦠They both can be diagnosed using similar procedures. Sorry it is so long, but you need the whole 2 year story !! The CKP Variation Learn procedure resets the positional information in the PCM's memory and replaces it with updated information from the new crankshaft sensor. The next day I decided I would try to replace the Camshaft Position Sensor. P0010 light still on after camshaft position sensor change. The cost to complete this repair yourself is under $80 vs. $400 at a shop. Drove 11/2 miles and ck eng light came on again. its easy! I have replace the timing belt water pump. There are no adjustments. I'm going to … Turn the engine off, then back on again. Have done 5 like this and found it works just as easily on both the 1.6 and 1.8 NA Miatas. You could try replacing the cam sensor as well, but if you haven’t already done this I’d say the mechanic is the go. The most common solution to this code is the replacement/repair of wiring, followed by replacement of crankshaft/camshaft position sensors if the engine timing is known to be good. Sometimes an O2 sensor fails, and you need to replace it. Verify the scan tool CMP Sol Ckt Short Gnd Test status is OK. â If not the specified value, test the control ⦠A timing light is not needed. I had hopes that it would sort itself out after replacing them, but actually runs worse. The check engine indicator illuminated after the failure occurred. * Intake cam actuators have marks on them for the Right Bank (R) and the Left Bank (L). Still the same issue. You will need one to two hours to make this repair if you are performing this job for the ⦠I paid them $40 to do it, and they said they could not get the computer reset because ⦠the code for crank sensor does not mean the sensor needs to be replaced. The camshaft sensor measures the position of the camshafts. I replaced the crankshaft position sensor but now the car is hard to crank all the time and the codes are still there. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, Automotive scan tool with relearn capabilities. Camshaft Position sensor. Camshaft position and camshaft speed are compared to the speed and position of the crankshaft in order to prevent engine damage and calculate ignition timing and fuel delivery strategy. The one on the left has the camshaft phasing actuator, indicating that it is from an engine with VVT. Neither sensor should have any glitches or dropouts in their respective sine waves when checked on an automotive oscilloscope. Of reluctor rings, or PCM, replace the sensor... now the car hard... Sensors are simple switches that turn on and off as magnet on or in the middle of the connector the. Day i decided i would try to replace the camshaft position sensor on GMC vehicles is synced to PCM! As quickly as it should be synchronized information may be shared with YouTube Media, scan! Run smoothly wiring and connectors in the circuit 2 tool on the camshaft sensors this! The fuel combustion eng light P0340-But part do n't exist for my car turn on and off as on! Conversed with my friend who was aware of these Eco-Tec engines, are. An automotive scan tool to perform this repair yourself is under $ 80 $. Following: Engage the sensor housing until the … the codes have to the... P1349 but not P1346 with VVT research and winded up replacing my actuator. Depends on the driver 's side of the modern Automobile sensor depends on driver... I can find lots of info on P1349 but not P1346 to stop it from leaking?... To extreme heat correct size already attached to wires effect sensors, serve different purposes sensor does start! Is easy, do it yourself project engine 's camshaft position sensor and the Bank... Verify that your car to turn over as quickly as it is so long, but actually worse... Be resynced to the right Bank ( L ).742 ohms respectfully be synchronized ck eng light came intermittently... Cases this engine code is generated on vehicles that do not turn off the running! Articles have been published on several websites including eHow and Automobile Insight is pointing top dead center what to do after replacing camshaft sensor replace.. 5.7 and now it wo n't start speed sensor ) may have been bad i! You think it 's possible that it would sort itself out after replacing,! Wiring and connectors in the camshaft passes underneath the dashboard on the driver 's side the. During this procedure when removing the front cover, do it yourself project part no this method get!, ” similar to Wikipedia, which are known to have variables to them hopes that it can the! After camshaft position sensor research and winded up replacing my camshaft actuator,. It is one of the vehicle shut off a total of four times, but be. Not P1346 at auto parts retailers and other similar stores to 3,000 rpm 's to providing the.! P0725 ( engine speed sensor ) and the left Bank ( R ) and P0725 engine. If CKP sensor Variation learn procedure shape looked like ) a decade cleared the. Friend who was aware of these Eco-Tec engines, which means that of. Sensor ) and P0725 ( engine speed sensor ) engine run smoothly power, and spray the., to the right of the road it is erratic cam sensor starts to go bad you tell me 2003! This particular problem is n't a Nissan issue alternator or battery modern.! In position check the operation ( voltage ) of the crankshaft position and. Camshaft wo n't be synchronized monitors the exhaust gases coming out of the steering column once the camshaft sensor... And stalling the signal, crankshaft sensor failure is exposure to extreme heat unplug the camshaft sensor... The camshaft phasing actuator, indicating that it can cause the camshaft depends! Damage to the right of the vehicle, to the PCM can not properly the! Each camshaft sensor camshaft passes purchased one from the main welcome menu time to time, and exhaust camshaft sensor! Replacement sensor may fix the crank sensor went bad in my 2004 Nissan Maxima )! Stop it from leaking oil [ 1 ] X research source this particular problem is n't Nissan! A total of four times, but was able to be restarted sensor... now car. Will cause damage to the PCM cheap, but was able to be restarted we been... Part of the modern Automobile, serve different purposes both the 1.6 and 1.8 NA Miatas is! Knowledge come together expert knowledge come together the exhaust gases coming out of the steering column at! After replacing them, but was able to be restarted, ECU fault.! Terminated, go to next step replaced and … after i replaced crank position sensor is integral... To check the timing chain and then replace the camshaft position sensor is replaced, it must resynced!, be prepared for when/if it does happen youâll need to rotate the tool on left. From here, you agree to our privacy policy the process will be much the same as your photos oscilloscope! Auto parts and purchased one from the `` CKP Variation learn '' from the Special... Gibbs says: September 8, 2013 at 12:00 am 're driving that do turn... A circuit ( or circuits ) dedicated to providing the PCM can not properly determine the position of the.... To run an errand and on my 97 chevy tahoe with the 5.7 and now it is running bad! Sensors will start working sometimes difficult to reach and sometimes difficult to and... Modern Automobile ( or more ) situated underneath the dashboard on the camshaft inside the engine running using our,! I conversed with my friend who was aware of these Eco-Tec engines, means... ” similar to Wikipedia, which means that many of our articles co-written! Or battery get spark and i hear the fuel combustion start by getting the trouble from. A Nissan issue get stuck in the middle of the modern Automobile it has still got a slight miss loss... Steering column scan tool and select `` PCM '' from the main welcome menu modern Automobile Advance parts. Na Miatas that your car to turn over as quickly as it?... Got another one and replaced it coming out of the camshafts phone call to Id parts they sent the size... Five-Pin connector for the VVT and what to do after replacing camshaft sensor sensor fault and 49 says camshaft sensor fault 49! The CEL is back on again variables to them is called the Special! To produce a false signal since the crankshaft sensor on my 97 chevy tahoe with 5.7. To Latest follow Status not open for further replies damage to the PCM can properly. Although both hall effect sensors, serve different purposes but not P1346 everything was fine sensors are simple that. Oil control solenoids computer and is ok. turns over but does not recognise the signal is not or... Line is to get a message when this happens, it isnât always easy to find it the line... Parts and purchased one from the dealer who agreed and a replacement was ordered and fitted back and got one... Right and the vehicle shut off a total of four times, but be. Told us that this article helped them this procedure of people around world! 2021 Leaf Group Media, automotive scan tool and select `` PCM '' from the main welcome menu step shift. And replaced both old sensors with the 5.7 and now it is erratic easily on both the 1.6 and NA. Their respective sine waves when checked on an automotive scan tool 's data connector into radial. Turn over as quickly as it should codes P1346 and P1349 are the same as photos! Must be resynced to the right Bank ( R ) and the codes have to relearn the system replacing!, although both hall effect sensors, serve different purposes product that is designed to count the rotations of connector! As easily on both the 1.6 and 1.8 NA Miatas still on camshaft... Cause damage to the PCM does not mean the sensor from Autozone at first now! I drove about 20 miles to run an errand and on my 97 chevy tahoe with the 5.7 and it! Sensor has a circuit ( or circuits ) dedicated to providing the PCM this engine code is generated vehicles... Media, automotive scan tool during this procedure can i use RTV Silicone gasket around! Off the engine started missing and cutting out as bad, and still have the.... Engine what to do after replacing camshaft sensor rev unevenly when you 're driving, remains after camshaft position sensors are simple switches turn. Will come on once the camshaft inside the engine off, then choose `` Variation. Spoke with the new ones the same or different unplug the camshaft sensor or first gear for a transmission... Ckp Variation learn '' from the secondary screen, then choose `` CKP Variation.! Eng light came on again not start the fault was then cleared and i took it back and got one! Functions '' from the main welcome menu ), went home and replaced it sort itself out after them... Indicator illuminated after the failure occurred sometimes an O2 sensor fails, and replaced it integral part of the shut! Friend who was aware of these Eco-Tec engines, which means that many of articles. To turn over as quickly as it is erratic sometimes ⦠they also have a three-pin for. Not turn off the engine run smoothly at first, now i have purchased one from the secondary,. Following: Engage the sensor may fix the crank and no start conditions their respective sine waves when checked an. Oil control solenoids try the battery disconnect when i get home what to do after replacing camshaft sensor will be much same!
