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Inserted key and did not crank but all lights worked

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Security prob

Posted on Jan 16, 2013


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I have fuel coming to the motor but not going in it for a 98 chevy cavalier

Check the fuse for the injectors. If you have a test light, check for power to the injectors with key on. Pull off one injector connector to check for power. 2 wires to each injector-one is the power wire and powered anytime key is on. The other is the ground wire going into the computer, where it is internally grounded for a split second to pulse the injector-fuel is then sprayed out.
If power circuit is good, test the ground circuit: clip a test light lead to the POSITIVE POST of battery. Insert tester probe into the ground terminal of injector-the one that has no power with key on. Now have someone crank the engine over: test light should be blinking.
If both tests work-steady power to injectors with key on, and blinking tester on ground terminal with engine cranking, then the injector drive circuit and the ground circuit is working.
Let me know what you find. Good luck.

Dec 11, 2013 | 2000 Chevrolet Cavalier

1 Answer

NATS Immobilizer problem

make sure that your key is in good order. you mat have a issue with your key. if that is all ok, then i would be looking at the NATS antenna/amplifier. its a component that is mounted around the ignition, where you insert your key. you cant see it because its inside of the steering wheel covers that are around the steering column. that may be faulty. if the security light is on while you are cranking the car ober, than you definetelly have an issue with the NATS system.start with checking the kay and make sure that you are using the right/chipped key only to start this van. do not use a spare key that is not chipped, because it will not work.

Nov 28, 2011 | 2001 Nissan Sentra

1 Answer

Car will not acept key

take key out of console. Then push down fairly hard on the insert-turn key area, it goes down about 1/2 inch----, while ---,,taking your other hand--push your finger into the base where the key would be--push down lightly your finger will go about 3 inches past the base-down to the bottom.

slowly pull your finger out ,, release pressure on the insert key -turn key area to the front of the key base area..

Now ,,put the key in the console key holder -turn to the right -Kazooom you are good for go. !

If this does not work ,,loosen the negative battery cable,with key in console ,disconnect for 30 seconds,, replace cable.. try to start . If not starting do the above procedure again as the computer memory is now blank.

Best bet,,BEFORE disconnecting any battery connection put the key in the console turn to the right, short of cranking the starter.Keep the key in this position
Then Disconnnect the battery--

When battery is reconnected, wait 3 minutes, then try the key for starting this usually works wonders. Doors must be closed,,, foot on brake pedal when starting..

Jun 17, 2011 | 2003 Saab 9-3

1 Answer

My 2000 chevy express won't start due to security system. How do I reset it?

this is a 30 minute procedure. make sure you have a battery charger on it. to begin, insert the key into igniton, attempt to crank the engine, do not start. leave key in the on position. if the system is working properly after 10 minutes the security light should go out. turn key off for 5 seconds and then back on and attempt to crank engine again, do not start, after 10 minutes the security light should go out. repeat the above steps a third time. after the third time. turn key off and then start the van, if system is working properly it will learn the passlock again and car will start. if this does not work, try it once more making sure you followed these steps. any variation from these steps will stop the learn process. if it stiil does not work, then you either have a bad passlock module or sensor.

Mar 06, 2011 | Chevrolet Express Cars & Trucks

1 Answer

My 98 ford explorer wont crank theft light is blinking real fast and radio and everything works

Whats happening is your PATS (Passive Anti Theft System or security system) is not programmed and can't read the code that is being transmitted from inside your key. There is only 2 solutions to this and one is going to cost you money... sorry. We'll start with the free solution.

1. First thing is that you will need 2 keys that are or were programmed to your vehicle. You are going to have to cycle your keys and you cant fool the system by using only one. Insert the first key and turn it to the run position for approximately 6 seconds then remove it and within 5 seconds insert the second key and do the same thing. Pull that key out. Now your vehicle should start with both keys and the theft light should be back to normal.

If this doesn't work option 2 is you have to take it to a Ford dealership and they will have to fix it for you. Hopefully this isn't the road you have to take. I work at Ford and am one of the few in our dealership who program keys. All the best and I hope solution 1 works for ya.

Feb 04, 2011 | 1998 Ford Explorer

2 Answers

When I insert key to start the car it will not turn at all. What is this part called?

The component is a starter. When you insert your key into the ignition and turn it, you switch on the power to the coil and vehicle computers. By turning the key to the start position it will supply power to the starter and solenoid which cranks the engine until you release the key allowing to return to the ignition on position. If the battery is weak the starter solenoid may engage producing a clicking sound, but it will not crank the engine. Another test is to turn on the dome light and try to start the vehicle, if you see the dome light dim when you are trying to start the car the battery is weak or the starter has a short. Starters are temperamental at times and can be intermittent working sometimes and malfunction other times. Your ignition switch, fuse, or relay could also produce symptoms of your vehicle not cranking.

Jul 21, 2010 | 2004 Chevrolet Cavalier

1 Answer

My truck seems lock and it won't turn on or even crankbut all electric works.

1)try jumping the battery.sometimes lights will work,but the battery will supply no where the current needed to start it.
2)the safety neutral switch thinks it is in gear,so will not let it crank over,there is a mechanical override by the shifter.pop out the tab ,insert the key and it will go into neutral.if the battery is good,it should start.

May 23, 2009 | 2005 Ford F-150

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