Question about 1997 Cadillac Catera

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Engine seems to start and run with ignition switch in start position, but dies when key released to on position.. Do not get fuel pump voltage when turning the key to on before trying to start car. this is a 97 catera

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Most probably a bad ignition switch,

Posted on Aug 20, 2010

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1999 nissan maxima dont start but crake


The first step is to determine if it's a spark, fuel, or compression problem. Here's a quick way to find out which of the three is missing. Remove a plug wire, insert a Phillips screwdriver or spare plug piece of bare wire into the plug wire boot and place the end near the engine block (do not hold the plug wire while cranking the engine unless you want a shocking experience). If there's a spark when the engine is cranked, it has ignition. The problem is either fuel or compression. If the engine has an overhead cam with a timing belt, loosen the cover over the timing belt and check the belt. If the belt is okay, the problem is no fuel. Listen for the electric fuel pump in the fuel tank to make a buzzing noise when the ignition is turned on (you may have to open the gas cap to hear it). You won't hear anything if the pump has died. Diagnostics can now be focused on the fuel pump circuit to determine if the pump, relay or wiring is causing the no start. If the relay has voltage but the pump isn't running, you'll probably have to drop the fuel tank to check the wiring connector at the pump. If the problem is no spark, anything in the ignition circuit that creates the spark may be at fault. Use your AutoTap Express DIY to look for an RPM signal from the Crankshaft Position sensor while cranking the engine. A bad Crankshaft Position sensor is a common cause of no starts. The signal from this sensor goes to the PCM or ignition module that switches the ignition coil(s) on and off. If you have an RPM signal, a bad ignition module or PCM may not be switching the coil(s) on and off. Using a voltmeter, check for voltage at the coils with the key on and while cranking the engine. The voltage should be switching on and off. In ignition systems with a single coil and distributor, a bad coil or a cracked distributor cap or rotor can prevent the spark plugs from firing. On multi-coil, distributorless ignition systems and coil-on-plug systems; one coil failure may cause an engine to misfire, but it won't prevent it from starting. What's causing the no-start? All engines require three things to start and run: spark, fuel and compression. If any one of these isn't there, you aren't going anywhere

Oct 26, 2016 | 1999 Nissan Maxima

1 Answer

Engine cranks fine, but will only run 5-6 sec then dies. If you press the gas, it sputters and dies immediately.


Seems like a fuel delivery problem.
May be a bad fuel pump, clogged fuel filter or a fuel line problem.

What car make/model? What engine?

When it dies, try to turn ignition off immediately, wait a couple of seconds and turn the key quickly to the crank position (don't wait with the key in ignition-on position so that the fuel pump doesn't try to pump fuel into the fuel lines).
If it hesitates to start or runs significantly shorter before dying, you have pinpointed a problem with the fuel system.

Pls let me know what you find out.

Nov 27, 2015 | Cars & Trucks

2 Answers

2002 Mazda Millenia no crank no start cranks by stater not key no fire to plugs or fuel pump


Could have faulty starter relay that provides crank signal voltage to starter when key is turned to start. Assume the no voltage to plugs or fuel pump performed when jumping the starter directly at the starter. Was the key turned to run position? Needs to be or no power to rest of system.

Nov 08, 2015 | Mazda Cars & Trucks

1 Answer

Van starts but stops immediately. Fuel pump?


Many parts stores have loan-a-tool pressure gauges. What are you working on? Older cars have two wires to the ignition coil. On is a start only wire which is active only in the start position of ignition switch and bypasses the resistance circiut to supply 12 volts to the coil when starting. This is done to cause a higher voltage, lower amperage spark to assist in starting the engine. When you release the key, juice to the coil goes through a resistance wire (chevy) or ballast resister (mopar) to send about 6 volts to the coil to give a lower voltage, higher amp spark for more efficient fuel burn. That said, more modern cars don't use these 2 circuits.

Feb 11, 2015 | Cars & Trucks

1 Answer

Starts but when switch is released it dies


hi Jeff
you have a faulty ignition switch, replace it and your car will be OK

Mar 25, 2014 | 1992 Daihatsu Charade

1 Answer

Will not start when hot. starter makes no different types of noise.


hello. perhaps I can assist you.

Perform this test:

Fuel pump test:

1. Get yourself a helper.

2. remove the gas cap.

3. have one person listen in the gas tank at the gas cap opening.

4. have the other person turn the ignition switch to the ON position ONLY so as the dash lights come on. Do NOT attempt to start the engine.

5. As soon as the ignition key is turned to the ON position, The person at the gas tank should hear the fuel pump run for TWO SECONDS and then it should STOP.

6. Does it ?.


If you do NOT hear it run, in most cases the fault is the fuel pump relay or the fuel pump..


As soon as you turn ON the ignition switch to start the engine a 2 second ONLY battery voltage signal is sent from the computer to the fuel pump relay and from the relay back to the fuel pump in the fuel tank. This runs the fuel pump for ONLY 2 seconds of which pressurizes the fuel system in preparation to start the engine.

Once the engine starts, The computer BYPASSES the fuel pump relay and sends constant contionous battery voltage from the computer to the oil pressure switch of which is now CLOSED because the oil pressure is UP because the engine is running. Therefore the battery voltage flows thru the oil pressure switch back to the fuel pump to run the fuel pump constantly until you turn OFF the engine.

Oct 01, 2009 | 2003 Cadillac CTS

2 Answers

93 accord starts but runs only as long as I hold the key in start


replace the ignition starter switch, this switch is attached to the back of the ignition key cylinder, this a very common issue on your car. remove the **** shell covers of the column to access very easy job here is the part number and price.
ACDELCO Part # E1463 Price $46.79

Jul 23, 2009 | 2001 Honda Accord

2 Answers

1988 jeep comanche will start only when you hold tumbler in the start position, when you relese it, engine stops.. engine is a 4.0 auto, fuel injected 4x4


If the car has a resistor coil with a ballast resistor to drop voltage from 12 to 8 then check the resistor wiring. When you engage the starter tumbler it by passes the ballast resistor and sends 12 volts straight to the eight volt coil to get good spark. When you release it the 12 volts goes through the resistor to 8 volts and then the coil. If there is a fault in this circuit the engine stops. Jump the 12 volts straight to the coil and start it. If it keeps going the ballast circuit is faulty. Paul

Jul 27, 2008 | 1986 Jeep Comanche

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