Question about 2001 Chevrolet Malibu

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My speedometer works but not my rpm gauge

Changed my cks sensor 24x and the rpm stop working and got code p0336 I changed both sensor 24x and 7x and still reading p0336

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Posted on Jan 02, 2017

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SOURCE: I have a 2004 Chevy

Bad Stepper motors....the motors in your cluster are very weak... there is an upgraded motor x 25-168...cost 175.00 parts and labor to replace all of them. Ive repaired a lot of clusters with this very problem

Posted on Nov 28, 2008

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SOURCE: gauges misreading bigtime

instrument cluster and buy and extra per gm quality

Posted on Feb 02, 2009

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SOURCE: started out with headlights out then the speedometer, odometer, gas gauge, oil, battery, rpm's are not working, fixed the headlight was a fuse but other stuff still won't work.

sounds like your missing a ground somewhere.

Posted on Apr 21, 2009

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SOURCE: code p0336 starts hard tach wont work obd11 07 cobalt

P0336 means Crankshaft Position Sensor A Circuit Range/Performance. Try replacing the crank sensor next.

Posted on Sep 05, 2009

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SOURCE: on my 1999 chevy silverado the only gauges that

The stepping motors in the gauges go bad. Do a search on ebay for CHEVY SILVERADO INSTRUMENT CLUSTER for cheaper repair options, dealer costs $300.00

Posted on Feb 01, 2010

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Whenever the RPM and speedometer won't work the transmission won't change out! What.can possibly be wrong? thanks!!

What make , model and year vehicle ? Don't know how much you know about the modern automobile , how computes and how data transfer happens ! Speedometer , tachometer , fuel gauge , tempreature gauge etc.... Sensor inputs from these sensors are iinputs to the PCM - engine computer and to get to the gauge in the instrument cluster , this info is sent by a message on the serial data bus . The VSS - vehicle speed sensor not only supply's info the speedometer but also the PCM use's for transmission shift points .
How often does this happen (RPM and speedometer drop out ?) Could have lose connector in the wiring harness or at the PCM . A wire that is grounding on on the frame or body .The first place to start would be checking for DTC'S diagnostic trouble code's . Could make diagnostic's a whole lot easier !

Dec 10, 2016 | Cars & Trucks

1 Answer

Where is the crank shaft sensor located on a Buick century 3.1 2001

Which one ? your 3.1 l has two .7 X an 24X
The 7X (CKP) sensor is bolted into the center of the engine block and protrudes into the crankcase. The 7X CKP sensor reluctor wheel is cast into the crankshaft.
The 7X CKP sensor is a variable reluctance sensor. The magnetic field of the sensor is altered by a reluctor wheel that has seven machined slots, six of which are equally spaced 60 degrees apart. The seventh slot is spaced 10 degrees from one of the other slots. The 7X CKP sensor produces six pulses and one sync pulse for each revolution of the crankshaft. This signal must be present for the IC module to send a 3x reference signal to the PCM. The 3X reference is known as the low resolution engine speed signal.
The 24X (CKP) sensor (1), secured in a mounting bracket (3) and bolted to the front side of the engine timing chain cover (2), is partially behind the crankshaft balancer. The crankshaft balancer contains the 24x CKP sensor interrupter ring.
The 24X CKP sensor contains a hall--effect switch. A hall -- effect switch is a solid state switching device, which produces an OFF-ON pulse when a rotating element passes between the sensor tip and a magnet. This rotating element is called an interrupter ring. In this case the interrupter ring has 24 evenly spaced blades and windows. This sensor produces 24 ON-OFF signal pulses per crankshaft revolution. The 24X signal is used for enhanced smoothness and idle stability at a lower calibrated RPM. The 24X signal is known as the medium resolution engine speed signal.

Jul 11, 2016 | Buick Cars & Trucks

1 Answer

Our 1999 Buick century is having problems with running it won't hardly take gas and the transmission won't shift up sometimes the same time the transmission messed up the speedometer quit working

Is the check engine light on ? Have checked for codes , may have transmission codes stored . Check engine light doesn't need to be on for codes to be stored . VSS - vehicle speed sensor is a input to PCM.
The Vehicle Speed Sensor (VSS) is a gear-driven permanent magnet generator housed in the transaxle. The sensor generates a sine wave output with a frequency proportional to the vehicle speed. The Powertrain Control Module (PCM) converts the signal to an output that switches to ground at a frequency of 4000 pulses per mile. The signal (CKT 817) is used by various vehicle components. The signal CKT 817 drives the following components:
• The speedometer
• The odometer May also have problems with mass air flow sensor , crankshaft position sensor , cam sensor etc...
DTC P0336 Crankshaft Position (CKP) Sensor Circuit
The 24X reference signal is used to improve idle spark control at low engine speeds. The PCM uses the 24X reference signal to calculate engine RPM and crankshaft position at engine speeds below 1600 RPM. The PCM constantly monitors the number of pulses on the 24X reference circuit and compares the number of 24X reference pulses to the number of 3X reference pulses and CAM signal pulses being received. If the PCM receives an incorrect number of pulses on the 24X reference circuit, DTC P0336 will set and the PCM will use the 3X reference signal circuit for fuel and ignition control. The engine will continue to start and run using the 3X reference and CAM signals only.
There are a lot of electronic thing's on you Buick that can go haywire causing the problems you have . If you are unfamiliar with these thing's I mentioned , I suggest you take it to a ASE certified repair shop . Some people get irate just mentioning this, It mite save you money in the long run .

Feb 12, 2016 | Buick Cars & Trucks

1 Answer

Crank sensor replace but still throw the crank sensor code at 3 to 4 thousands rpm. Idels fine but when driving seems to not have power and than its kick in like everything fine what is the problem?

What make vehicle ? model an year too. Some vehicles have two crankshaft position sensors .

24X and 7X Crankshaft Position Sensors/Harmonic Balancer Interrupter Ring

One sensor is in the side of engine block an the other is behind harmonic balancer

Dec 01, 2015 | Cars & Trucks

1 Answer

Car won't shift into 3rd and 4th. If you put it in neutral then down to drive it's okay but then goes back into neutral. Did a ****** filter change and no luck.

Year, brand, model would be helpful. You sure a speedometer cable is broke? If you have a newer car most of them have speed sensor(s). If a speed sensor is not working, it could be the problem with the shifting. Please rate my answer so I get points awarded.

Jan 18, 2012 | Cars & Trucks

2 Answers

One by one my gauges(rpm,gas,speedometer,oil) stopped working. Is there a sensor that needs replaced? a fuse? dash? Help?

please keep me posted as well, ALL my gauges are doing the same. First the gas, filled it one day and it fell all the way and light turned on, then my themostat, freaked me out, thought i was overheating,...NO just the guage, NOW my spedometer is stuck on 120, and my RPM's are acting crazy. i have read tons with this same problem, WHY WONT the manufacturer DO SOMTHING??

Aug 25, 2010 | 2004 Isuzu Ascender

1 Answer

Fule gauge speedometer and rpm gauges stopped

Go to the fuse box and change the fuse for "Gauges". I think this might solve the problem.

Feb 23, 2010 | 2004 Chevrolet Monte Carlo

1 Answer

1993 Honda civic speedometer & odometer work intermittently

the only thing that is related is the d4/rough gear changing
speed/ rpm malfunction is caused by your speed sensor on the trani (common problem) change it

Sep 20, 2009 | 1993 Honda Civic 4 Door

1 Answer

Code p0336 starts hard tach wont work obd11 07 cobalt

P0336 means Crankshaft Position Sensor A Circuit Range/Performance. Try replacing the crank sensor next.

Sep 05, 2009 | Chevrolet Cobalt Cars & Trucks

1 Answer


7X Crankshaft Position (CKP) Sensor
Lower rear of engine
24X Crankshaft Position (CKP) Sensor
Right hand side of engine, at end of crankshaft, behind harmonic balancer
7X Crankshaft Position (CKP) Sensor
Lower rear of engine
24X Crankshaft Position (CKP) Sensor
Right hand side of engine, at end of crankshaft, behind harmonic balancer
Right hand side of engine, at end of crankshaft, behind harmonic balancer

Apr 12, 2009 | 1995 Chevrolet Monte Carlo

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