Question about 1998 Chevrolet S-10 Pickup

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Where is the crank sensor on a 1991 s-10 pickup with a 2.5 4cyl engine

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This year of truck, does not have a crank sensor, if no fire to plug's check ignition module or distributor pick-up assembly..

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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Location of crank sensor on a 1986 buick century 2.5 engine


I believe your '86 has a distributor? I believe 1987 was the first use of the Direct Ignition System, where no distributor was used and the use then of a crank position sensor, which on the 2.5L was located and attached to the bottom of the coil pack assembly.
But if you do have a distributor (on the backside or firewall side of the engine), then there is no crank position sensor, but inside the distributor is a pickup coil which has the same function as a crank sensor-to give the pcm (computer) crank position information. To test or change the pickup coil, you have to remove the distributor, as the pickup coil wires are difficult to access with the distributor in the engine.

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Crank sensor for 1990 toyota pickup location


Hi, Located in the bell housing, sensor for the crankshaft gear!

Jun 15, 2011 | 1990 Toyota Pickup

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Have a 91 dokota 5.2 has no spark i changed the coil and the pickup in the dist do you know where the crank sensor is located


The crank sensor is on the front of the engine it triggers off the front crank pulley. The pickup you changed is the Camshaft position sensor and will cause hard starting but not a complete no start. A picture of the Crankshaft position sensor is below.


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May 17, 2011 | 1991 Dodge Dakota

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I just replaced the engine in a 1996 Dodge Ram 5.9 L, with a 5.9 L from a '00 Durango. I changed the intake back to the '96 and all the sensors, but it will not start on its own. With the injector rail...


It could be either a cam or crank sensor related fault. If you're using all the original sensors and wiring and they worked fine on the other engine there isn't a real reason for the non-start. Try checking all the harness connections, paying particular attention to the engine harness earthing point. If you dont have one, earth out the engine to the chassis. My feeling is there is something loose, missed when rebuilding the powerplant. Check the pickup for the crank sensor, too. Hope this helped...

Mar 14, 2011 | 1996 Dodge Ram 3500 Club Cab

1 Answer

Where is the crank position sensor located


The crank sensor is located near the crankshaft of the engine, the shaft that rotates the pistons up and down inside the internal combustion engine.

So look for wires that lead from the harness to this sensor and you'll find it.

It's just a pickup coil.

Jul 06, 2010 | 1993 Chevrolet Lumina

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Need to know where the crank shaft position sensor is on a 97 nissan pickup


1997 Nissan/Datsun Truck Pickup 2WD 2.4L SFI 4cyl The Crankshaft Position Sensor is located: Under hood, driver side, upper engine area, mounted in rear driver side of engine block.

Hope this help.

May 11, 2010 | 1997 Nissan Pickup

2 Answers

Floods. Won't start. Cranks fine. Small popping (maybe backfiring) heard. Only happens when engine is cold (ie staying out all night).


pickup coil in the distibitor bad or if tbi or multiport
change the crank sensor / cam sensor last ignition control moduel

Feb 24, 2010 | 1992 Oldsmobile Cutlass Ciera

1 Answer

Car cranks but wont start


ENGINE CRANKS BUT WILL NOT START
When the engine cranks normally but won't start, you need to check ignition, fuel and"http://www.aa1car.com/library/compression.htm". Ignition is easy enough to check with a spark tester or by positioning a plug wire near a good ground. No spark? The most likely causes would be a failed ignition module, distributor pickup or "http://www.aa1car.com/library/crank_sensors.htm".
A tool such as an Ignition System Simulator can speed the diagnosis by quickly telling you if the ignition module and coil are capable of producing a spark with a simulated timing input signal. If the simulated signal generates a spark, the problem is a bad distributor pickup or crankshaft position sensor. No spark would point to a bad module or coil. Measuring ignition coil primary and secondary resistance can rule out that component as the culprit.
Module problems as well as pickup problems are often caused by loose, broken or corroded wiring terminals and connectors. Older HEI ignition modules are notorious for this. If you are working on a distributorless ignition system with a Hall effect crankshaft position sensor, check the sensor's reference voltage (VRef) and ground. The sensor must have 5 volts or it will remain permanently off and not generate a crank signal (which should set a fault code). Measure VRef between the sensor power supply wire and ground (use the engine block for a ground, not the sensor ground circuit wire). Don't see 5 volts? Then check the sensor wiring harness for loose or corroded connectors. A poor ground connection will have the same effect on the sensor operation as a bad VRef supply. Measure the voltage drop between the sensor ground wire and the engine block. More than a 0.1 voltage drop indicates a bad ground connection. Check the sensor mounting and wiring harness.
If a Hall effect crank sensor has power and ground, the next thing to check would be its output. With nothing in the sensor window, the sensor should be "on" and read 5 volts (VRef). Measure the sensor D.C. output voltage between the sensor signal output wire and ground (use the engine block again, not the ground wire). When the engine is cranked, the sensor output should drop to zero every time the shutter blade, notch, magnetic button or gear tooth passes through the sensor. No change in voltage would indicate a bad sensor that needs to be replaced.
If the primary side of the ignition system seems to be producing a trigger signal for the coil but the voltage is not reaching the plugs, a visual inspection of the coil tower, distributor cap, rotor and plug wires should be made to identify any defects that might be preventing the spark from reaching its intended destination.----
thanks for using fixya,please do rate the solution positively.

Feb 17, 2010 | 1996 Acura RL

1 Answer

No spark


THE CRANK SENSOR IS IN THE DISTRIBUTOR IT IS AN OPTICAL PICKUP, THIS IS A PHOTO SENSOR AND MAY BE DIRTY, HAVE U CLEANED IT, THE MOST LIKELY CAUSE OF A NO SPARK IS THE IGNITION MODULE, HAVE U REPLACED THAT YET?

Feb 14, 2009 | 1991 Nissan Stanza

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