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Posts Tagged: P0340

P0340 Ford

Fix a P0340 camshaft position sensor trouble code on Ford Ford has issued a service bulletin #05-23-17 to address a problem with trouble code P0340 Ford dealing with the camshaft position sensor. The bulletin pertains to the vehicles listed below 2005-06 Mustang 2004-05 F-150 2005-06 Expedition, F-Super Duty 2006 Explorer 2005-06 Navigator 2006 Mountaineer   The P0340 Ford trouble code may appear on the 5.4L engines in the F-Super Duty, Expedition/Navigator, and F-150 and the 4.6L engine in the Mustang GT and Explorer/Mountaineer.   P0340 Camshaft Position Sensor Circuit Malfunction   … Read More

Nissan Altima hard to start when cold

Fix Nissan Altima hard to start when cold P0011, P0340 If you own a Nissan Altima with trouble codes P0011 or P0340 that is hard to start, especially when cold, you may have a stretched timing chain. The first step is to check the variable cam phasers since they change cam timing and can cause the codes. But if the cam phasers check out ok, pull the timing covers and check the timing chains. If they’re loose, replace them. P0011 A Camshaft Position – Timing Over – Advanced or System Performance … Read More

Dodge Neon won’t start and stalls

Dodge Neon won’t start and stalls If you own either a Dodge or Plymouth Neon and experience a no start or stall condition, you may have a shorted vehicle speed sensor (VSS). The VSS shares the same power circuit as the crankshaft position sensor (CKP) and camshaft position sensor (CMP). The most common way for the VSS to short is power to ground. That prevents the CKP and CMP from getting power. To test, find the VSS on the transmission extension housing. With the connector still on the VSS, backprobe … Read More

P0340 Dodge Neon

P0340 Dodge Neon Shops are reporting that customers have replaced a camshaft position sensor (CPS) due to a P0340 Dodge Neon. Upon replacement, the code reappears. In most cases, the customer has installed an aftermarket sensor. When replaced with a factory sensor and the codes are cleared, mechanics report that the problem trouble code does not return. © 2012 Rick Muscoplat

P0335 P0340 Toyota

Fix code P0335 P0340 Toyota vehicles Toyota has issued a technical service bulletin (TSB) to address trouble codes P0335 P0340 Toyota cars and trucks- 1994-2010. If you own one of these vehicles and have a check engine light and either of these codes P0335 Crank Sensor Circuit or P0340 Cam Sensor Circuit, do NOT rush out to replace the sensors without first checking cranking speed and battery voltage. Test the battery to ensure that it has at least 11 volts before cranking. If it doesn’t the starter may not crank … Read More

Ford F-450 cranks but won’t start

Fix code P0340 Ford Ford F-450 cranks but won’t start and intermittent bucking If your F-450 cranks but won’t start or starts and then bucks, head for the camshaft position sensor. It’s located on the right side of the engine timing cover above the crankshaft balancer. You’ll need a scope to check it because it creates a 12 volt square wave. Probe the dark green wire to check the signal. If the signal is erratic, replace the sensor. This sensor has a high failure rate and may not even be worth … Read More

P0332 Circuit Low Input (Bank 2)

Fix code P0332 Circuit Low Input (Bank 2) Also P0335 and P0340 If you think you should replace the knock sensor after getting this code, think again. This is a perfect example of where a sensor can be telling the truth and the root cause of the problem is somewhere else. Here’s the scoop. Most late model engine use variable valve timing to change the opening and closing timing of the valves. The device that actually changes the valve timing is called the cam phaser (yeah, like on Star Treck). … Read More

P0340 Ford diesel no start

Fix code P0340 Ford diesel no start Shops are reporting a P0340 Ford diesel no start and high failure rate on the camshaft position sensor that generates and OBDII diagnostic trouble P0340. You can test the sensor using an automotive scope. But you cannot test it with a digital multimeter. That’s because the sensor puts out a digital square wave. Since this is such a high failure rate item, if you get a code P0340, your best option is to simply replace the sensor. © 2012 Rick Muscoplat

P0340 Camshaft Position Sensor

Fix code P0340 Camshaft Position Sensor Circuit Malfunction The PCM sets this trouble code is it cannot accurately determine the position of the camshaft. Without that information, the PCM cannot determine when to fire the fuel injectors. © 2012 Rick Muscoplat

P0340

Fix code P0340 Camshaft Position Sensor Circuit Malfunction If you have a P0340 Camshaft Position Sensor Circuit Malfunction trouble code, read this to understand what it means When car makers eliminated the distributor they needed a way to know the position of the camshaft and crankshaft so they could fire the spark plugs at the correct time. You guessed it, the camshaft sensor tells the PCM the exact location of the camshaft. In this trouble code, P0340, the computer is calling out a problem with the circuit. That can mean … Read More

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