Question about 2003 Kia Rio

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Car will only accelerate 20kmph in each gear its a standerd

Changed crank sensor t.p.sensor and pcm

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  • Kia Master
  • 635 Answers

Check your maf sensor.

Posted on Feb 03, 2017

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Posted on Jan 02, 2017

cansmo
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SOURCE: my 2006 kia optima stalls

PCM? did they even check coil voltage? You are a coil on plug the coil plug may have shorted to ground there are times the valve cover enters the coil in the valve cover and oil soaks the boot causing stalls and jerks, I never heard a PMC stall and **** a car, you would be the first

Posted on May 07, 2011

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Long crank time, gives the same code 3 times


p0340 is a camshaft sensor circuit malfunction, and that will effectively cause long crank times before starting and also can cause rough idles, sputtering, etc.. Could be the sensor itself being faulty, could be the ring gear giving the sensor it's position that is dirty/damaged/bent, could be the connectors/prongs being loose or dirty, could be frayed or corroded wiring, or could be a faulty PCM, although it's alot rarer for a PCM to go bad. So start by checking the wires and connectors and the sensor gear, as this will be the only thing not costing money to do. If all else seems good, change the camshaft sensor if you can find one at a decent price.

Mar 25, 2014 | Nissan Quest Cars & Trucks

4 Answers

94 Oldsmobile with 3100 V6, 130,000 miles. Runs very well except when you start the engine after it has sat overnight, it starts right up, but shifting into gear, the engine almost wants to stall, then if...


First check the fuel filter, fuel pump and fuel pressure regulator to make sure they are all functioning properly. Also, check the catalytic converter to make sure they are not plugged.

Aug 13, 2008 | Oldsmobile Cutlass Cruiser Cars & Trucks

1 Answer

2005 Mazda 6 4cyl AT Idles high after driving a while.


I would check the pedal position sensor. Do it when it's hot.
Mazda Car 2005-06
  • Accelerator Pedal Position Sensor

    Description & Operation

    A power supply is applied on the Accelerator Pedal Position (APP) Sensor (main) power terminal from the PCM. The ground terminal is grounded with PCM. When the accelerator pedal is moved from the idle position to the fully opened position, the resistance between the accelerator pedal position sensor (main) output terminal and ground terminal will increase according to the depression.
    A power supply is applied on the Accelerator Pedal Position (APP) Sensor (main) power terminal from the PCM. The ground terminal is grounded with PCM. When the accelerator pedal is moved from the idle position to the fully opened position, the resistance between the accelerator pedal position sensor (main) output terminal and ground terminal will increase according to the depression.

Testing

  1. Connect a suitable scan tool to the diagnostic connector. Select APP1 or APP2 percentage.
  2. Turn the ignition switch to the ON position.
  3. Measure the voltage at the PCM terminal and ground with connectors connected:

    APP1-8% load or 0.4 volts with the accelerator pedal releasedAPP1-60% load or 3.0 volts with the accelerator pedal depressedAPP2 -8% load or 0.4 volts with the accelerator pedal releasedAPP2 -60% load or 3.0 volts with the accelerator pedal depressed
  4. If any check above does not meet the specifications, check connectors and wiring between the sensor and PCM. If ok, replace PCM.
  5. If the measured values are outside the standard value range, or if the load % and/or voltage does not change smoothly, replace the sensor.
  1. Connect a suitable scan tool to the diagnostic connector. Select APP1 or APP2 percentage.
  2. Turn the ignition switch to the ON position.
  3. Measure the voltage at the PCM terminal and ground with connectors connected:

    APP1 %-31.0-32.4% with the accelerator pedal releasedAPP1 %-69.8-81.8% with the accelerator pedal depressedAPP2 %-20.2-21.4% with the accelerator pedal releasedAPP2 %-58.8-70.8% with the accelerator pedal depressed
  4. If any check above does not meet the specifications, check connectors and wiring between the sensor and PCM. If ok, replace PCM.
  5. If the measured values are outside the standard value range, or if the load % does not change smoothly, replace the senso

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Jul 23, 2017 | 2005 Mazda 6

1 Answer

I dont know where to find the crank sensor on my truck


4.8 / 5.3 / 6.0 vortec

The crankshaft sensor is a 24X (58X on 2004 and later engines) pulse sensor that controls ignition coil firing and injector pulse. The 24 tooth reluctor wheel is mounted on the back of the crankshaft. This location is known as the "quiet" deflection zone that minimizes any false signals to the pcm that can be misinterpreted as a fault. As with the CMP, the crankshaft sensor is a magnetic sensor that has the field interrupted by the passing the the teeth on the reluctor. This signal is conditioned by the sensor circuitry so I can be properly used by the pcm.

The pcm constantly times the pulse intervals it receives, in conjunction with the CMP to resync the point of the #1 firing stroke. Any changes to the timed intervals at each firing order stroke is read by the pcm as a change in crankshaft velocity. Using the other sensors such a MAP, and TPS, the pcm can determine the changes in crankshaft speed when the engine is accelerating or decelerating, within normal operating conditions, and when the changes are outside the normal parameters, the pcm detects this as a misfire, and the appropriate DTC is set. A loss of this signal will result in a no-start or no run condition.eek.gif

The location of the CKP is on the right hand side above the starter.
http://chevythunder.com/LS1_crank_sensor_loc..jpg
http://chevythunder.com/LS1_crank_sensor.jpg

On the 4.3 vortec, it's located on the front bank2 of the engine by the crank shaft.
http://www.2carpros.com/forum/automo...CAS371KE_1.jpg

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Read more at http://gmcowners.com/gmc-forum/showthread.php?t=16373&kcplink=1

Dec 16, 2010 | 2001 Chevrolet Silverado 2500HD

1 Answer

Where is the g sensor


This Gravity (G) sensor is a vertical low-g (gravity) acceleration sensor. By sensing vertical acceleration caused by bumps or potholes in the road, the powertrain control module (PCM) can determine if the changes in crank- shaft speed are due to engine misfire or are driveline induced. If the G sensor detects a rough road condition, the PCM misfire detection diagnostic will be de-activated.

It's mounted in a bracket on the frame .I believe it's on the right rear of your rodeo underneath on the frame rail behind the tire. It's a dealer only item

Sep 29, 2009 | Cars & Trucks

2 Answers

Harmonic balancer went bad, replaced it and crank sensor (also adjusted sensor) now have a ticking coming from area. Car now stalls intermittently, also hesitates on heavy acceleration. Could this be the...


Crank sensor is hitting balancer. One of the interupter blades may be bent. 3800's do not have timing chain or gear problems. Now a 3.8 will. Does yours say 3800 on top of engine? These ar two different engines.

Jul 14, 2009 | 1988 Oldsmobile Delta 88

1 Answer

Still looking idea on WOT relay. Cuts power to A/C compressor, controlled by PCM


Wide open throttle signal goes to PCM from the TPS, throttle position sensor. mounted on throtle body

eg.
Throttle Position Sensor The throttle position (TP) sensor (Figure 39) is a rotary potentiometer or Hall-effect sensor that provides a signal to the PCM that is linearly proportional to the throttle plate/shaft position. The sensor housing has a three-blade electrical connector that may be gold plated. The gold plating increases corrosion resistance on terminals and increases connector durability. The TP sensor is mounted on the throttle body. As the TP sensor is rotated by the throttle shaft, four operating conditions are determined by the PCM from the TP. Those conditions are closed throttle (includes idle or deceleration), part throttle (includes cruise or moderate acceleration), wide open throttle (includes maximum acceleration or de-choke on crank), and throttle angle rate.

Jul 02, 2009 | Lincoln Town Car Cars & Trucks

1 Answer

Car will not accelerate as you shift through the gears (delayed a


i had that problem on a 93 escort and it was because the woodruff key that holds the harmonic balancer in place was broken, the poopy acceleration was because the crank sensor gets its "signal" from cogs on the harmonic balancer, which did not turn at the same speed as the crank shaft because of the drag on the crank pully (crank pully and harmonic balancer are same part)

Jun 26, 2009 | 1991 Honda Civic

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