SOURCE: dodge caravan 1997 3.3l Xavierfrancofuenmayor
Had similar problems occur on various Chrysler products manufactured since 1986. What I did was remove the computer from the car and then take a Dremel tool with wire brush attachment and lightly buff all the pins of the computer--tops, sides and backs. After this I then take a jewelers round file and insert the tip into each connector pin hole and very lightly file it to remove any corrision. When I reassembling the connector plug to the computer I placed a good size dab of silicon grease on the plug in the center (acts as a seal when seated). This has eliminated the problem on four different vehicles.
SOURCE: How to read trouble codes on 1998 Toyota Camry w/o scan tool
You can go to any auto parts store and they will usually read them for you for free. Around the late 90s many of the auto computer systems began requiring scan tools rather than the older method of simply flashing lights on the dash if you jumpered the correct pins.
SOURCE: 2000 Chevrolet Venture multiple codes stalling and rough idle
Look for broke/ shorted wires on Crank sensor.. thanks
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.
http://www.check-engine-light.com
SOURCE: Chevy Cobalt '06 The vehichle TPS is reading at
The TAC (throttle actuator control) is where both TPS sensors reside. On an older system this would be the throttle body. This system uses redundant TPS and APP (accelerator pedal position) sensors. If the problem were with the APP then you should have a code for a correlation problem between the TPS and APP or one APP sensor to the other. The most common issue by far that I have found is carbon build up in the throttle bore causing the plate to be stuck open. Remove the air intake tube from the TAC assembly and see if there is a ring of carbon around the area of the throttle plate. If so then using carb spray and an old toothbrush, clean the throttle body out. You can hold the plate open manually to do this but make certain the key is off or you will set several other codes and the throttle plate will fight against you. You can also remove the TAC assembly to clean if you like, though I do not recommend it. When you are done you will need to start the vehicle and run in drive for a minute or so, then to park or neutral. A couple of these cycles will usually relearn the position of the plate so that you can test drive. (Carb cleaner in the intake manifold will usually make the first start difficult.) Clear the codes, test drive the vehicle normally, but increase the take off and stop hard a few times after a few minutes of easy driving. Check and clear any codes that may have set on the test drive. You will want to drive again normally and check for codes again. If you do not have carbon the most likely culprit will be the TAC itself. The TPS sensors are intergral so you usually need to replace the whole TAC. Though I have seen only a handful of them that actually need replacement.
Good luck
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The PCM has been replaced
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The engine has been replaced
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The crankshaft has been replaced
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The crankshaft harmonic balancer has been replaced
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The crankshaft position sensor has been replaced
Important: Set the vehicle parking brake and block the drive wheels when performing the crankshaft position system variation learn procedure in order to prevent personal injury. Release the throttle when the engine reaches the SECOND fuel cut off. Leaving the throttle open during the fuel cut-off will allow the engine to decel at an even rate. Once the learn procedure is completed, the PCM will return the engine control to the operator and the engine will respond to the throttle position.
Important: The scan tool crankshaft position system variation learn function will be inhibited if engine coolant temperature is less than 70?°C (158?°F). Allow the engine to warm to at least 70?°C (158?°F) before attempting the crankshaft position system variation learn procedure.
The scan tool crankshaft position system variation learn function will be inhibited if any powertrain DTCs other than DTC P1336 are set before or during the crankshaft position system variation learn procedure. Diagnose and repair any DTCs if set.
The crankshaft position system variation learn function will be inhibited if the PCM detects a malfunction involving the camshaft position signal circuit, the 3X reference circuit, or the 18X reference circuit.
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If the scan tool indicates a problem with the cam signal, refer to DTC P0341 .
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If the scan tool indicates a problem with the 3X crank signal, refer to DTC P1374 .
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If the scan tool indicates a problem with the 18X crank signal, refer to DTC P0336 .
Now why do you want to replace these thing's ? mite be able to save you some time an money. Do you have a check engine light lit ? Codes ? Does it start an run ?
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