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Can you help me, anti-yhief cut power to engine and it won-t start back up

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  • Cars & Trucks Master
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Do you have the year make and model.? If it is a anti theift with a key immobilizer the vehicle will just start and idle for a few seconds then shut off and the anti theft light will remain on or be blinking. Then we know you are dealing with the anti theft. do you have another key to crank the engine if you do use a spare key and hold the key next to the immobilizer and crank the engine see if that will give if it doesnt try this method. roll the window down with window down disconnect the negative battery cable wait 5 minutes reconnect put the key in the ignition but dont crank it just yet turn it in the on spot not the crank for 2 minutes then crank it and see if that start the vehicle . If this doesnt work then you will need to call a mobile locksmith who reprograms the immobilizer

Posted on Feb 24, 2012

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2 Answers

Engine turns but does not start, seems like no spark to cylinders.


Your chipped key is not making a good connection to your factory installed anti-theft device. Lightly grease both sides of car key with electric bulb grease and work it into key ignition. Over time the key wears down, contacts in ignition switch become worn and corroded. Grease makes better contact...chipped key is able to send signal to factory anti-theft device which unlocks all systems required to start you engine. Make sure the key you are using is a chipped key for your car; not a un-chipped cut key from the key cutting machine. It will work on locks, but only a chipped key for your car will deactivate your anti-thief and you get power to your engine and systems to get it started.

May 27, 2014 | 2000 Ford Mustang

1 Answer

Engine cranks but won t start. i changd fuel pump. I had to replace steering column becaue theft i cranked and cut off whats the problem please help me


so was the car stolen...... it if was and has been thrashed the can control sensors could of over heated also the cat sensor. or the electric control module has been damaged when the wires were cut. this can damage the control modual making the engine not start as there will be no power going to the ecu's

Mar 16, 2014 | GMC Yukon Denali Cars & Trucks

2 Answers

Won't start


Check for power on the small wire at the starter with the key in the crank position. If there is no power than you will need to trace the circuit. A Year, make, model, and engine size would help a lot!!

Jun 16, 2013 | Cars & Trucks

1 Answer

Emergency power cut now won't start


you cut cord have open circuit.your electrical cord has three wires neutral wire white wire black wires hot wire and bare wire for ground. if you cut either neutral wire or hot black wire in the electrical cord no power can flow to trimmer motor if you cut wire need to fix wire to get trimmer work again.

Dec 24, 2012 | Cars & Trucks

1 Answer

Car will start and cut right off


When it won't start you will need to check for spark and fuel pressure to figure out if you are dealing with the ignition system or fuel system.
Is the check engine light on when the engine is running ?

Aug 11, 2012 | 2007 Chrysler Sebring Sedan

1 Answer

Anti-thief system cut off power to den gine an won't cut it back on


If you are dealing with the anti theft the anti theft will flash as you are trying to start the vehicle if this is the case then it is the anti theft if not then you are not dealing with a ant theft issue. You can do a 30 minute relearn procedure without a scan tool. here is how Turn ignition on without the engine reunning.attempt to start the vehicle then release the key to ON.(vehicle doest start) Observe the security light.afeter 10 minutes the security light will turn off.Turn off the ignition and wait 5 seconds.do this 3 times for 30 minutes. start the engine with the engine started the vehicle will learn the passlock key.

Feb 24, 2012 | Cars & Trucks

1 Answer

Friday while driving the dashboard gauges stopped working except the speedometer and RPMs. No air, no power locks or truck release. Also all the indicator lights you see when the key is on the on position...


It sounds like the anti-theft security system is engaged, this is keeping your vehicle from starting. I would recommend calling a local dealer where you are and ask them to help you. Hope this helps.

May 11, 2017 | 2004 Chevrolet Malibu

2 Answers

Anti theft light comes on the car won't start


Your "inmobiliser" system is actived.

The anti-theft feature prevents the car from being started when one of several anti-theft devices is faulty are have otherwise been activated. The problem you descibe might be the ignition swith, which is known to wear out quickly on those models. The system can be completly disabled only when the car is running (meaning the teft deterent system is inactive after the Passlock II system detects the proper key in the ingition). A wire can be cut that would perminantly disable Passlock II, meaning any key that opens the door (or a screwdriver) could start the car. If the ignition swtich goes out or this wire is cut while the engine is off (theft deterent system is active) then the car will have to be towed back to the dealer to have the ignition system replaced and reprogrammed.

I have called Chevy and asked how to fix this problem. If you turn the key to the on position, right before it cranks when the lights and radio turn on. Leave it there for ten minutes until the anti theft light turns off. Then turn the key to the off position and then try starting the car.

Rumour has it that it is a yellow wire to be cut. Do more research, but D O N ' T cut it with the engine off. See first paragraph above.

Hope this help (remember rated and comment this). Good luck.

Mar 25, 2010 | 2003 Chevrolet Malibu

1 Answer

97 Buick Century - Quit running


Its sound like a Crank sensor to me. Good Luck

Dec 12, 2008 | 1997 Buick Century

1 Answer

Loses power and dies


this is a tricky one. I would check the oil level and then the anti freeze. it sounds like the engine is over heating and the wrong oil will do that. but is can also be the anti freeze because their are little flow ports through out the engine and it can be that the ports in the engine are clogged with grim. if the ports are clogged then thiers no way for the engine to cool. and i do beleive that thier is a sensor in the engine that cuts the engine off when its is not recieving any anti freeze.

Aug 26, 2008 | 1989 Ford Probe

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