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After changing the crank sensor on my 96 chev pick up it runs really well with no engine judder when cruising and a better engine response. but it wont start on the key straight away. if i get a boost it will start. can you give me some help. it was always reliable till recently

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Check and insure that the battery is good shape. If the battery is in good shape check the starter and make sure it is not dragging, by this I mean it is not drawing too many volts or amps from the battery. If the starter is drawing to much it will cause it not to start and run the battery down. If the battery has a dead cell in it it will cause the truck to not want to start without a jump.

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

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CAN YOU REPLACE A 1995 GEO TRACKER ENGINE WITH A TRACKER ENGINE WITH A CRANK SHAFT SENSOR???


what years? her ill give examples (no 1.8L sports)
in each case keeping original in/exh manifold of origional
this is called, a Long block swap......!
96 to 95 16v ok ( the crank sensor just sets there, doing zip)
96 to 95 8v no go. ( it will run by ECU while have fuel mapping)
95 8v to 96 16v no go ( missing crank sensor and mapping issues)
95v 16v to 96 16v,(missing crank sensor, move it.)

and you can swap any with harness and ecu. and manifolds.

see swaps here
http://www.fixkick.com/SWAPS.html#G16Bswaps

and links to near infintate swap data.

Feb 20, 2014 | 1995 Geo Tracker

1 Answer

96 T100 (3.4), will only run for 2-3 seconds then quit, change fuel filter, pump, cam sensor and crank sensor still won't run, but will run on ether. Where to go next?


What you are telling me is the engine is firing the plugs but not getting fuel.
When you changed the fuel pump and filter, did you check the fuel pressure at the rail ?
Are the injectors getting power and ground pulse ??

Dec 21, 2012 | Cars & Trucks

1 Answer

2003 vibe will not start


Do you know what Camshaft Actuator System is ?
The standard compression pressure is 1,400 kPa (203 psi).
The camshaft position (CMP) actuator system enables the powertrain control module (PCM) to change camshaft timing while the engine is running. The CMP actuator assembly (5) varies camshaft position in response to directional changes in oil pressure. The CMP actuator solenoid valve controls the oil pressure that is applied to advance or retard the camshaft. Modifying camshaft timing under changing engine demand provides better balance between the following performance concerns:
• Engine power output
• Fuel economy
• Lower tailpipe emissions
The CMP actuator solenoid valve (3) is controlled by the PCM. The crankshaft position (CKP) sensor (4) and the CMP sensor (1) are used to monitor changes in camshaft position. The PCM uses information from the following sensors in order to calculate the desired camshaft position:
• The engine coolant temperature (ECT) sensor
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This mite be something to look at , Is cam timing advanced or retarded . The ) CMP Actuator Assembly !

Mar 22, 2017 | 2003 Pontiac Vibe

1 Answer

I am having problems with my 85 vette L98 car will start for a few seconds than die. I have put in new pump , filter.pump relay.t.p.s. set at 05.4v new a,i,c..igm mod,, tach filter and yesterday it...


That is a possible cause alright. I would get a can of fast freeze spray from a motor parts factor. If its ok when cold but shuts off when hot its very likely.when the engine shuts off, spray the crank sensor and immediately start engine. If it starts and stays running its your crank sensor. Does it have a duel mass flywheel?? Some times if the crank sensor picks up off the flywheel and the duel mass is worn , it then runs out of sync with the cam shaft pick up sensor, which will cut the vehicle off. Just a shot in the dark? If you can drive vehicle when cold , check for vibrations whilst engine is cruising at steady speed. You will not feel vibrations under load. Keep us informed on how you get on.

Aug 20, 2012 | Cars & Trucks

1 Answer

What dose the crank sensor control in a 96 dodge diesel


The crank sensor on the truck works with the camsensor the crank sensor uses the cam to synchronize and identify where number one piston position is at. It is responsible to fire you injector and for how long is determined by the cam position sensor. On a 96 Dodge diesel the crank sensor is also responsible for you tach reading,your air condition ,and for the alternator.

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Cruise control and speedometer qiut working at


possible speed sensor at rear of transmission,does engine rpm sound higher then narmal,and is your trans shifting as it should,if these problems are also present replace the speedometer sensor at rear of trans,$50 to 60 bucks

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1 Answer

Check Engine light came on and car stalled


Crank Sensor usually have two function,1st the sensor sense the rotation of the flywheel and picks up by the sensor than the sensor send a sigle to your computer telling your computer to send sparks and fuel to to the engine. When sensor goes bad engine quits running, sometime check engine lights come on as computer is not sending no fuel or sparks. Some car has two sensor, one for the fuel and one for sparks. The sensor usually locate next to the flywheels near the main crank. Some are difficult to get to; others are easy. 4cyc on foreign are easy to get to compare to domestic. V6 front wheel drive I find it difficult and V8 rear wheel drive are better. If you plan to keep the car and fix it yourself, the best thing to do is invest and purchase Chilton Repair Manual if planning do it yourself, it will save you lots of money in the future. On 96' breeze should be a breeze to fix, from experience working on Dodge and Chrysler are fairly easy to work on.

Jul 08, 2009 | 1996 Plymouth Breeze

1 Answer

Do I need to replace the crank positioning sensor?


the sensor is not to hard to change takes an experienced mechanic a little less tan an hour if it does not brake. it really doesn't hurt your car to run with a faulty sensor but if the sensor competly craps out your car probably won't start i would get it repaired if i were you so your not stranded some where.

Apr 10, 2009 | 1996 Mazda Protege

1 Answer

96 cavalier 2.4 starts runs great -chokes


Check the crankshaft position sensor. If the plug is loose or the sensor itself is bad it will cause similar problems

Aug 23, 2008 | 1988 Chevrolet Cavalier Z24

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