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Crankshaft Position Sensor

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Old Jun 16, 2018 | 07:43 PM
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Tito's Avatar
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Default Crankshaft Position Sensor

I was having problems with the way my 2005 Crossfire starts. Sometimes right up and sometimes it was kind of slow. I changed my Crankshaft Sensor since the scanner detects that had to do it. But the problem persist and now the check engine light came back on. Any help? Thank you !!
 
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Old Jun 16, 2018 | 07:44 PM
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Default Re: Crankshaft Position Sensor

If the light is on, there is a code or codes set.


What are the codes?
 
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Old Jun 16, 2018 | 07:51 PM
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Tito's Avatar
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Default Re: Crankshaft Position Sensor

It says that need to replace the sensor and i think the number was 335.
 
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Old Jun 16, 2018 | 08:00 PM
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Default Re: Crankshaft Position Sensor

Well............



The ECM is getting no data at times or data that is not agreeing with what the Cam Sensor is telling it. What is the part number on the sensor you put in there? Sounds to me like you bought a generic cheapy and not the OEM sensor we always preach about...
 
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Old Jun 16, 2018 | 08:01 PM
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Default Re: Crankshaft Position Sensor

Originally Posted by Tito
It says that need to replace the sensor and i think the number was 335.
Did you use a Bosch CPS?
 
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Old Jun 16, 2018 | 08:04 PM
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Tito's Avatar
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Default Re: Crankshaft Position Sensor

To be honest i bought it at ebay. It was not the original but it says Bosch.
 
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Old Jun 16, 2018 | 08:12 PM
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Default Re: Crankshaft Position Sensor

I've bought three of these from GAS, used one in my car, used two in other people's cars - never an issue.


I know eBay is a great place to get stuff, I use it all the time. But not for electrical parts for the car.
There is no guarantee this is the problem, but the car is known for being fussy about the electrical sensors you put in it.


https://www.germanautosupply.com/mer...ensor-387.html
 
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Old Jun 16, 2018 | 08:16 PM
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Default Re: Crankshaft Position Sensor

Pizzaguy; did you have the same problem before you replace it?
 
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Old Jun 16, 2018 | 08:21 PM
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Default Re: Crankshaft Position Sensor

My car was throwing P0335 and stalled at a light. It restarted, I drove the 1/4 mile to the office and changed the sensor in the parking lot. (I carry, have ALWAYS carried, a spare CPS and my Ultraguage displays any codes set
.)
 
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Old Jun 16, 2018 | 08:29 PM
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Default Re: Crankshaft Position Sensor

The only problem that i have is when i start the car. Sometimes its fast, sometimes it takes time. One day it did not want to start. After i wait a couple of minutes it starts again. After a week of the replacement the check engine light came back on. So i guess i will have to buy another sensor. Thank you all for your help !!!
 
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Old Jun 17, 2018 | 08:03 AM
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Default Re: Crankshaft Position Sensor

This may be due to dirty contacts or intermittent open coil in the fuel pump relay located in the RCM module.
 
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Old Jun 17, 2018 | 10:58 AM
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harbor's Avatar
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Default Re: Crankshaft Position Sensor

I’ve got a couple of new, still-in-bag Bosch CPS’s available for $25 each + shipping if anyone needs a spare.
 
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Old Jun 17, 2018 | 11:25 AM
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ZERACER's Avatar
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Default Re: Crankshaft Position Sensor

You might also want to check your battery?
 
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Old Jun 17, 2018 | 11:51 AM
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From: Fort Worth, Texas
Default Re: Crankshaft Position Sensor

Originally Posted by Tito
The only problem that i have is when i start the car. Sometimes its fast, sometimes it takes time.
This can be low fuel pressure, filthy MAF, etc.

One day it did not want to start. After i wait a couple of minutes it starts again.
You left something out here - did it refuse to 'crank' (that is, refuse to engage the starter, or did the crank and turn over but not start? These lead to separate diagnostic paths and separate fixes.

After a week of the replacement the check engine light came back on. So i guess i will have to buy another sensor. Thank you all for your help !!!
If the car is throwing a P0335, then yes. A check engine light tells us NOTHING. Reading the code in this case, P0335, tells us a lot - in this case, it tells us that the ECM has logged errors that indicate the crank sensor is presenting odd or illogical data to the ECM. Changing it would seem like step 1.
 

Last edited by pizzaguy; Jun 17, 2018 at 04:40 PM.
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Old Jun 17, 2018 | 01:34 PM
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Default Re: Crankshaft Position Sensor

just replace the RCM and 90% says your problem is fixed,now that u changed the sensor the RCM is the heart of this car NOT THE ECU ,, and if it does not beat the car does strange things,, always carry a spare RCM,Crank sensor and a cam sensor.
 
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Old Jun 18, 2018 | 12:11 AM
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Default Re: Crankshaft Position Sensor

AMX1397, i think you are right cause when i start the car i heard some noise coming from where the rcm is located.
 
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Old Jun 18, 2018 | 09:36 AM
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Default Re: Crankshaft Position Sensor

tito are you coming to the street racing made safe Sat the 23rd at 6 pm at orlando speedway. 12 to watch and 25 to race?"
 
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Old Jun 23, 2018 | 03:22 AM
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Tito's Avatar
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From: Orlando, FL
Default Re: Crankshaft Position Sensor

Harbor; I will like to buy one from you. Cicci; Crank and turn over but dont start. Its like you need to hit the gas to get it to start. Is that close. Even that everyday now keeps starting but im not using the car. AMX1397 i cant go. I work weekends. Are you local? Can you or someone you know check my car? Thank you all for your help !!!
 
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Old Jun 23, 2018 | 09:18 AM
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amx1397's Avatar
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From: Indialantic Fl.
Default Re: Crankshaft Position Sensor

Originally Posted by Tito
Harbor; I will like to buy one from you. Cicci; Crank and turn over but dont start. Its like you need to hit the gas to get it to start. Is that close. Even that everyday now keeps starting but im not using the car. AMX1397 i cant go. I work weekends. Are you local? Can you or someone you know check my car? Thank you all for your help !!!
that's ok about sat srms was canceled , kinda I am in Melbourne beach for the next month or so , you have a few members very close to you, chuk a great mech is just a few miles away, pm him , also miamimike will drive up there here is a list. https://www.crossfireforum.org/forum...air-shops.html
it sounds like the RCM (the heart of this car)
 
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Old Jun 23, 2018 | 10:20 AM
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From: Orlando
Default Re: Crankshaft Position Sensor

I keep
<i>one of these </i> one of these
as a spare. Mercs are funny, they do not like el cheapos.



'05 Service manual is available as a .pdf in the archive.


(P0335) CRANKSHAFT POSITION SENSOR CIRCUIT (CONTINUED)
When Monitored and Set Condition
˛ When Monitored: Engine cranking or running.
˛ Set Condition: No Crankshaft Position (CKP) signal is present during engine cranking and at least 8 Camshaft
Position Sensor (CMP) signals have occurred.



POSSIBLE CAUSES
CRANKSHAFT POSITION SENSOR SIGNAL 1 CIRCUIT OPEN
CRANKSHAFT POSITION SENSOR SIGNAL 1 CIRCUIT SHORT TO VOLTAGE
CRANKSHAFT POSITION SENSOR SIGNAL 1 CIRCUIT SHORT TO GROUND
CRANKSHAFT POSITION SENSOR SIGNAL 2 CIRCUIT OPEN
CRANKSHAFT POSITION SENSOR SIGNAL 2 CIRCUIT SHORT TO VOLTAGE
CRANKSHAFT POSITION SENSOR SIGNAL 2 CIRCUIT SHORT TO GROUND
CRANKSHAFT POSITION SENSOR SIGNAL 1 CIRCUIT SHORT TO CRANKSHAFT POSITION SENSOR
SIGNAL 2 CIRCUIT
CRANKSHAFT POSITION SENSOR
POWERTRAIN CONTROL MODULE




 
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