Question about 1998 Chevrolet K1500

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1997 chev pu 5.7 replaced timing chain,now litte or no spark, will not start crank sensor or computer problem? I just sent this in but used wrong e-mail the lost connection please don't carge me twice

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  • bobjoycell Jun 30, 2009

    the only thing changed was the timing chain,it was running before it was taken apart,it appears to be a computer problem related to the crankshaft angle sensor,the coil was replaced a few months ago

  • bobjoycell Jun 30, 2009

    1997 chev pu 5.7 replaced timing sprokets and chain,engine now willnot start coil was replaced afew months ago.It was running before change, could it be crank sensor or computer code problem?

  • bobjoycell Jul 01, 2009

    what is a piston label and how do you align the crank sensor?

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please go though these links ..... clickhere

Posted on Jul 05, 2009

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Its a crank sensor problem and since after those replacements you need to have proper alignments with other components also. As soon as you will get aligned in proper sequencing of piston labels, you get a smoother turn on of your chev.

Don't worry they won't charge twice if you will rate my solution as very helpful if it worked really for you.

Cheers and take care.

With Regard,
Shyny Saxena

Posted on Jun 30, 2009

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Crank snsor air gap not right to far away i had same problem!!!good luck!!!!!!

Posted on Jul 01, 2009

  • Aaron Tonning Jul 05, 2009

    camshaft sensor?or crank sensor?

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Hi bob,

here was the answer to your question earlier.

if you have billing questions, you may refer to http://www.fixya.com/contact

Hi bob,

here is what others got:

If you have a spark tester you disconnect the coil wire that goes tothe distributor, install the spark tester on that wire, crank theengine and look for spark. If you do not have a spark tester you canhold the coil wire with insulated pliers near any engine ground.

Also check it directly at the coil to eliminate a possibly defectivecoil wire. If you have another coil you plug it in to use as a testcoil. I the engine starts...the coil was the problem.

If this points to an ignition coil problem here is how to repair it.

REMOVAL:

1. Remove distributor cap and rotor.
2. Remove two module attaching screws, and lift module up.
3. Disconnect leads from module. Observe color code on leads as these cannot be interchanged.
4. Remove module.

INSTALLATION:

NOTE:Be sure there is a sufficient amount of silicone grease on the metalface of the module and on the distributor base (where the moduleseats), when reinstalling the module. The purpose of the siliconegrease is to cool the module.

1. Install module.
2. Connect leads to module.
3. Install module attaching screws.
4. Install pick up coil.
5. Install cap and rotor.

regards,

voodoo

Posted on Jun 30, 2009

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2 Answers

Why wont stratus start


seems like if it was getting fuel it would start. if it starts with fluid it should stay running if its getting fuel. also there are two different cam gears that come on these engines. if the wrong one is installed it wont start unless you unplug the cam sensor. make sure you have the right gear. if it dosnt look the same as the old one, its wrong. also check your engine vacum while cranking. if the vacum is low its a sign the timing chain is off the marks. your plugs would all be wet with fuel if it wont fire, check for this if above checks out

Jul 26, 2014 | 2002 Dodge Stratus

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No spark. 2004 cavalier. New head gasket new timing chain


Spark is generally generated by an impulse from the crank position sensor. Check that it is connected correctly and that the pick-up plate that it reads wasn't damaged or turned the wrong way around during the cam chain replacement.

In some cases, if the cam timing is out, the comparison between cam and crank sensors can cause no spark so double check that too just to be safe.

Jun 14, 2014 | Cars & Trucks

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1997 Acura CL 2.2, car cranks but will not start,does not have spark. When trying to start the D4 light will blink. Have changed fuel pump, distribitor, injector relay, computer, ignition relay under dash...


have u checked ur timing chain/belt? or even the crankshaft sensor? The crank sensor (if bad or broke) will cut out the spark to ur plugs. hope this helps

Sep 29, 2013 | 1997 Acura CL

3 Answers

The engine turnes but it wont start.


Free Auto Repair Advice by Professional Mechanics




Troubleshooting / Car Engine Cranks but Will Not Start / Engine Crank But Wont Start 2

* Why does my engine stall at idle?
* How do I change my spark plugs?
* Why does my engine stall?
* Why does the engine stall after replacing the battery?
* Why won't my engine crank over?
* How to retrieve trouble codes
* How to test fuel delivery system
* Engine cranks excessively
* Engine has excessive smoke
* Rapid ticking sounds when engine is cranked
* How to tune up your engine
* How to jump start your engine
* How to test an oxygen sensor
* How to open a car hood
* How a flywheel - flex plate works

Engine Cranks But Will Not Start

For an engine to run, you need three things to happen inside the engine, compression, fuel and ignition, without any one of these components the engine will not run. Follow the repair guide below:


Engine Configuration with Camshaft Operation

*

Compression - Engine compression caused by crankshaft rotation and pistons moving up and down inside the engine block. If the timing belt or timing chain fails it will cause the camshaft to become out of correlation with the crankshaft or allow the camshaft to stop rotating. Either of these conditions will cause the engine to lose compression and sometimes cause internal engine damage.
*

Fuel Delivery System - The fuel system includes: fuel pump, fuel injectors, pressure regulator, fuel filter and pressure lines. This system is used to supply fuel under pressure to the fuel injection system, the lack of fuel pressure or volume will cause the fuel delivery system to fail and the engine to stall or not start.
*

Ignition Spark Delivery System - The ignition system components include: spark plugs, spark plug wires, distributor (if applicable), crankshaft angle sensor, camshaft angle sensor, ignition coil, ignition module, knock sensor and PCM (engine control module). The engine relies on the ignition spark to be delivered to the combustion camber at the correct time. If the ignition spark stops or is delivered at the wrong time the engine will not run or run poorly.

If your engine cranks but does not start follow this troubleshooting guide:
* Step 1 - Anytime you have a problem with electronically controlled components such as an engine, transmission, ABS brake, or SRS (supplemental restraint system, Air Bag) inspect all fuses using a test light and check the under hood power distribution center and under dash fuse panels. If all fuses test ok continue to the next step.
* Step 2 - To check for problems with electronically controlled components such as an engine, transmission, ABS brake, or SRS (supplemental restraint system, Air Bag) and the fuses test ok a trouble code scan is needed to identify any system trouble. Use a simple scanner tool to retrieve trouble codes and see if they relate to the specific problem, like a crank angle sensor failure code. If the trouble code present does not pertain to the immediate problem like an EVAP code ignore it until a later time, after the car is running. The reason we repair non-related codes after the engine is running is because sometime false codes can be triggered by the engine not running. Once the engine is running again the code present might cycle and turn itself off. You might say "if the engine doesn't run shouldn't it have a trouble code?" Sometimes conditions occur that will not be detected by the computer, example: if the fuel pump fails the computer cannot detect the failure, so the engine doesn't start and the computer thinks everything is ok with no codes. If no trouble codes are present proceed to the next step.
* Step 3 - The spark plugs in your engine are used to ignite the compressed fuel air mixture. If the condition of the spark plugs are fouled by excessive fuel or carbon the engine will not start, backfire or run rough. Remove all spark plugs to inspect their condition. Please use this spark plug condition reference guide to see how the spark plugs are operating.
* Step 4 - Determine if the engine has compression, this can be done a number of ways but the most complete method is to perform a compression check. Remove the spark plugs and perform a compression test on one cylinder. If one cylinder has compression then the remaining cylinders usually will be close to the same. Crank the engine over about 5 seconds, normal compression readings should be between 125 psi and 160 psi on each cylinder. If no or little compression exists additional tests will be needed. The most common reason for an engine to lose compression is a timing belt or timing chain failure. If low or no compression exists remove the oil fill cap and observe camshaft rotation when the engine is cranked over. If no rotation exists the timing belt or chain has failed. If your engine has a timing belt and you cannot see the camshaft easily remove the upper bolts to the timing cover and gain visual access to the belt, recheck cam rotation by cranking the engine over. Sometimes a timing belt or chain can jump causing the camshaft to lose correlation with the crankshaft and therefore causing low compression. The best test for this condition is to remove the timing belt/chain cover and inspect timing marks. If the compression is ok proceed to next step.
* Step 5 - Test the ignition system output, ignition systems can vary in configuration but operate on the same principal. Ignition systems can consist of a coil, pick up coil, crank angle sensor, cam angle sensor, spark plugs, spark plug wires, distributor cap, ignition rotor and a distributor and any variations of these components. An ignition coil is a voltage stepper coil that transforms a low voltage (12 volts) signal into tens of thousands of volts needed to jump the gap of the spark plug. This coil is activated by an ignition module triggered by using the camshaft/crankshaft angle sensor; timing is adjusted by the ECM (computer).

Hope helps (remember rated and comment this).

Aug 11, 2010 | 1999 Chevrolet Blazer

1 Answer

Car isnt starting. Getting fuel and spark. just changed the crank sensor. Still nothing. What is wrong?


need to know model year and what engine you have as well as the fault codes you had that made you decide to change the crank sensor? u can't be getting fuel and spark and not have the engine start unless the engine is out of time (defective timing chain) or the fuel injectors are not delivering fuel to the cylinders,u can test the fuel injectors for proper operation by use of a $5 tool called a NOID light, it plugs into the injector electrical connector and blinks when the engine is cranked.

Aug 01, 2010 | Ford Taurus Cars & Trucks

2 Answers

Car will not start I hve a 97 chev caviler 5 speed manul. I have had it towed to a Tireman loacation to try to start t. They say that al clyinders have a compression problem. Any ideas about fixing it?


The timing chain may have went bad. Causing the pistons to come up and hit and bend the open valves, if the valves don't close completely, you'd have no compression. I would remove the valve cover and verify that everything is operating.

May 15, 2010 | 1997 Chevrolet Cavalier

2 Answers

OK 1997 gmc sierra 5.7liter 4x4 replaced coil and


Doesnt this engine use a crank position sensor? mounted on timing chain cover.I would check that first

Oct 17, 2009 | 1997 GMC Sierra

1 Answer

Why do i not have any spark on my dodge truck?


timing belt or chain broke or slipped , coil has gone bad ,crank position sensor, ignition module i would start with the timing chain

Jun 22, 2009 | 1997 Dodge Ram 1500 Club Cab

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