Question about 1996 Chevrolet Cavalier

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Car ran like a dream.parked,went to restart turned over but no fuel

Car drove beautifully,turned off to get coffee,went to restart and wouldn't,anti theft light went off,closer inspection found petrol pump getting no power,can the power supply be bypassed to a new supply?,is there a simple solution or extra check to solve issue

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  • Chevrolet Master
  • 21,873 Answers

The security system is supposed to disable the starter and fuel system. So if the engine cranks, and the security light goes off, its probably not a security problem.
You would need to check the pump relay to see if it has power and a ground signal from the computer. You may need a wiring diagram to be able to check the circuits.

Posted on Apr 26, 2013

  • sparkyson
    sparkyson Apr 27, 2013

    hi thanks for reply....turned out to be ignition switch,something about lacking necessary power to run things.....big relief as told it not as costly as what we thought it was


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Posted on Jan 02, 2017

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SOURCE: Chevy Tahoe 2004 Anti Theft Device has been activated.

leave the key on for about 5 to10 min then try to start. Are reset to computer by leaving the key on for 10 min and try to start the vehical.Do this procese 3 time then it shold reset

Posted on Feb 12, 2009

  • 75 Answers

SOURCE: How to reset the anti theft swith and Where is it

Some possible solutions that might help: 1. I'm not sure if this model comes with a Master Ignition key (which is usually a different colour fob or shape). If it does, then try starting the car with the Master key, it should override and reset the antitheft system and allow the car to start. 2. The Alarm keyfob (if it has one) battery may need replacing. 3. There may be an override key operated switch on the alarm itself or secreted away somewhere inside the car, which you can use to activate/deactivate the antitheft device? 4. You may have to key a code number onto a set of buttons on the dashboard to reset the Antitheft device? 5. Do you have the User Manual for the vehicle. There should be some explanation in there about what precautions to take when replacing the vehicle battery, and how to reset the anti theft device so that the engine can be started again

Posted on Jun 08, 2009

  • 3433 Answers

SOURCE: 2001 Chevy Cavalier won't start

MY turn! OK, Fuel system, supply and demand. Once upon a time, someone thought of a way to have a vehicle imitate a humanNow a car exchanges tons of information and the result is the same. the whole mass gets confused about the objective and that is to get moving.
A quick run down on efficiency. There are numerous sensors in a motor vehivcle but we will just touch may the five or six that count. Furst we have thefuel pimp. Supply only on demand. If the fuel syatem maintains a residual pressure in the fuel system it will no have reason to prime. The vapor recovery system and gas cap only recycles fumes that condense and gives the left overs to the engine.Hence hard starting because it screws up the air fuel ratio by bypassing thesystem fuel controls. Which are: The coolant temp and the intake air temp sensors. These two team up to function as the choke/cold start like in the good old cars,They enrich the fuel on startup.Once he engine and air temps are optimal, they allow the fuel mixture to be controlled bt the Mass air flow sensor. This sensoris mounted inside a rigid section of the intake ducting. Once it takes over, it starts reading the density, volume and velocty of yhe intake airand through the ranges meters the proper amount iof fuel in relation to the air being induced. The throttle positioning vavle simply lets the fuel get to the injectors according to how much ias requred to get the desired results.smoothly.. The air filter condition is critical because it impedes air flow and if in poor shape filtration wise, it allows dirt to accumulate on the MAF sensor sensing componants.In the event the MAF cannot read properly it affects the fuel supply directly by ling to the computer. A dirty sensor reads low air volume and velocity and cuts back on the fuel, leanning it out and the vehicle stalls, runs rough, hard starts, and surges. AND, we have arrived back at Dennis.and his dilemna. Vehicle unreliable.. As you can see, the other sensors are in the shadows right now. In the shadow of the MAF sensor. The MAF SENSOR CAN BE CLEANED using only CRC electrical spray cleaner. Thoroughly wasjing(rinsing) the sensor avoiding touching, rubbing, or brushing. The spray cleaner dries rapidly and compressed air must not be used.. Once cleaned, everyone should be "on the road again" I hope this info helps you dennis.. Good Luck-Ned

Posted on Sep 24, 2009

  • 7353 Answers

SOURCE: 2000 Cavalier will not start due to anti theft wire

NO, you will need to have Mr. Chop Shop fix it, or take it to a real mechanic and send him the bill.

Posted on Oct 21, 2009

  • 5 Answers

SOURCE: When anti theft light is blinking the car wont

On a 2003 Chevy Maibu the theft system light comes on and blinks when the system is triggered. The car will not start and the fuel pump cuts out. You must turn key to on and have all doors closed. Keep the key to on for 10 mins til theft light turns solid and then disappears. Then turn key to start and it should fire up.

Posted on Aug 07, 2010

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