Question about 2004 Saturn VUE

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Can't start the car, no spark and no fuel pressure

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Please check and fix the power to your fuel pump. Check also the power supply feeds to your coil. It may has blown fuse or loose connections.

Posted on Mar 15, 2011

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1 Answer

NO START TROUBLESHOOT


If you have good spark and good fuel pressure and arent unable to check fuel injector for output, you might want to spray some starting fluid into intake and see if vehicle starts. If it doesnt start at all there may be engine mechanical issues( jumped timing chain). Also, if catakitic is plugged it will not let vehicle start.. Start with your basic: spark( make sure your spark plug wires are routed correctly), fuel pressure, engine mechanical and catalitic.

Feb 07, 2016 | Cars & Trucks

1 Answer

I have a 1988 suburban 1500 4x4 5.7 liter v8. I replaced fuel pump and filter, will start and run for about 10 seconds then die and will not restart. Not getting fuel somehow. Injectors were also replaced....


Most likely it is the fuel pressure regulator..also check for spark here's some info for you.. The first thing to do is check for spark.

Disconnect #1 ignition wire at the spark plug.
Install a spark tester into the end of the spark plug boot.
Have an assistant crank the engine over and check for spark at the tester.
Repeat this process at each spark plug.
If any cylinder does not show spark, proceed to secondary component tests.
If ALL secondary components show no spark, test components individually.
If all cylinders test O.K., inspect for fouled spark plugs and clean or replace as necessary.

2010-08-21_174426_1.jpg

If spark checks out good, then you could have a fuel delivery problem. I would recommend to start by checking fuel pressure. Fuel injected cars are very fuel pressure sensitive. Fuel pressure is very important and must be within specifications! But if the pressure is low, it does not mean the pump is bad. A plugged fuel filter, a pinched line, and low voltage at the pump can contribute to low fuel pressure. All three must be check before replacing the pump! You can get a fuel pressure gage at a local auto parts store for cheap.

Fuel pressure testing is frequently overlooked but it is one of the common causes of poor performance. The test procedure must include testing that will insure normal
fuel pressure under all operating conditions.

Key Factors

1. Fuel demands are low at idle.

2. Wide open throttle at high engine revs uses the most fuel.

3. Port injection fuel pressure must be reduced when manifold vacuum is high. Vacuum pulls fuel out of the injector causing it to deliver too much fuel if the pressure remains high. Manifold vacuum is used to open the pressure regulator at a lower pressure when vacuum is high.2010-08-21_175858_1.gif

Mar 31, 2013 | Cars & Trucks

1 Answer

Car wont start


could be few different problems first u need to check for fuel pressure and spark
hook a fuel pressure gauge up and see if ur getting any fuel pressure if you have no fuel pressure u either have bad pump or out of gas (don't laugh i had cars come in shop for a no start that where just out gas)
if u have fuel pressure
then check for spark
take one spark plug wire of a spark plug and hold wire about 1/4 inch away from either the spark plug or engine block if u see a spark or hear one
if you have no spark your looking at a few different possibles Bad coil, ignition module, crank sensor, etc
if you have fuel pressure and spark but still no start u need to check for injector pluse (basically computer telling fuel injectors to open)
but now i think I'm getting over your head let me know if this helps and i try to walk u threw other things if this dont help

Jan 04, 2013 | 1997 Oldsmobile Achieva

1 Answer

Replaced ignition module, spark plug wires, distributor cap, fuel filter, and thermostat. car starts then after a while you turn it off and try to restart it, but all it does is crank, will not turn over....


COULD BE FUEL PUMP.CHECK FUEL PRESSURE SHOULD BE 40 - 47 PSI. WITH NEW FUEL FILTER. IF FUEL PRESSURE OKAY.YOUR SPARK PLUGS COULD BE FOULING OUT BY LEAKING FUEL INJECTORS.CLEAN FUEL INJECTORS BY ADDING A CAN OF SEAFOAM TO 3/4 TO FULL TANK OF GAS.WHEN YOU HOOK UP FUEL PRESSURE TESTER WITH IGNITION SWITCH ON ENGINE OFF FUEL PRESSURE SHOULD READ 40 PSI. TURN OFF IGNITION SWITCH IF FUEL PRESSURE DROPS FAST YOUR FUEL PUMP CHECK VALVE BAD.IF FUEL PRESSURE DROPS SLOWLY IN TEN MINUTES TIME FUEL INJECTORS IS LEAKING A NEED CLEANING.INJECTORS SPRAYING TIP CLOGGED WITH CARBON BUILD UP CAUSING THEM TO LEAK DOWN WHEN ENGINE OFF.

Jul 25, 2011 | 1991 Oldsmobile 88

1 Answer

My 02 Alero 2.2 won't start....replaced battery and had the starter tested which is fine...could it be the timing chain?


Ok you should check for fuel pressure and /or spark if you do not have fuel pressure then you might want to check fuses or fuel pump if you have fuel pressure not have any spark! Then you may want to check your spark module is bolted to the top of the valve cover. I don't think it would be the timing chain I would start with checking for fuel pressure and your spark module or just replace it if you have no spark. I hope this helps!

Jun 30, 2011 | 2002 Oldsmobile Alero

1 Answer

My car wont start


Hi,


If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.


1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine..



Thank you !!

May 30, 2010 | 2002 Cadillac Deville

3 Answers

I have a '97 chevy tahoe. the engine cranks, but won't start. checked trouble codes & got cycliner misfire, O2 sensor, & catalytic converter codes. i've replaced plugs & wires. still won't...


first, check all the fuses
did you check to see if there's spark at spark plugs?
did you check the fuel pressure? you need to do that to isolate fuel and ignition system.
if there is no fuel then check for fuel pump operation
if there is no spark then check the ignition system (coil, module and wirings)
if you don't have either one then the problem is in the computer system such as crank sensor, and computer itself

Mar 28, 2010 | 1997 Chevrolet Tahoe

1 Answer

Wont start has firering spark


hi
You said spark plug is firing that is fine have you check fuel system check your fuel pressure regulator,also check your spark plugs conditions.
It can be fuel pump but first check the pressure fuel.

Feb 21, 2010 | 1996 Dodge Caravan

1 Answer

Cranks but wont start 2000 mustng v 6


You need to check fuel pressure. If fuel pressure is ok, check to see if you have spark at the spark plugs. If you have both spark and fuel pressure it may be a timing problem with the injectors.

Oct 01, 2009 | 2000 Ford Mustang

1 Answer

No spark at plugs/ very little fuel pressure at rail


first do you have spark. check coil,cap,rotor and points

Jul 07, 2009 | 1999 Ford Mustang Cobra

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