Question about 2002 Chevrolet Malibu

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I have replaced fuel pump, fuel filter and crank sensor and I know that it has something to do with fuel cause I crank the engine over and spray carb cleaner through the air intake while cranking the engine and the engine will stay running as long as I keep spraying carb cleaner in but the second I stop the engine stops

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  • Master
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Common issue with is car is malfunctioning of the "anti-theft/security system". If your security system is ok>>>>> Check fuel pressure, if poor....check power to fuel pump, fuel pump relay, fuel pressure regulator, if ok...Check MAP/MAF sensor.

Posted on Nov 08, 2012

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Posted on Jan 02, 2017

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CRTN
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SOURCE: 2002 cavalier starts for a few seconds but wont run

The Fuel Pump is Only Supposed To Start For Only A Second.

Posted on Jan 05, 2009

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SOURCE: cannot get 1987 chevy van 20 to keep running... stalls out

Best do a fuel pressure test. Should have chg. fuel filter from the get go. The only other filter is on the end of the fuel pump in tank. Bad gas and dirty gas will plug up fuel filter, hense burn pump up.

Posted on Apr 11, 2009

  • 137 Answers

SOURCE: fuel pump relay & fuze location for 1994 chevy 51500 pick up

if you really have a carburetor as you say, you have a mechanical fuel pump so you will not have a fuel pump relay. if you have fuel injection then you do have a fuel pump relay, need to know which engine it is to help more.

Posted on May 25, 2009

  • 288 Answers

SOURCE: 2000 chevy montecarlo 3.4L, Engine cranks but dont start.

hook up vac gauge and test cranking vacumm should be at least 3 to 5 inches while cranking if not suspect plugged cat converter or timming jumped also check compresson that will tell you whatz up .

Posted on Jan 31, 2010

cooter_01
  • 43 Answers

SOURCE: 2002 Chevy Express 2500, 5.0. Cranks but won't

FUEL PRESSURE MUST BE 62 LBS. OR GREATER OR IT WILL NOT GROUND INJECTORS, IF ITS OK THEN CHECK YOUR GRAY 12V SUPPLY TO PUMP AT CRANK-UP, YOU MAY HAVE A POOR IGNITION SWITCH.

Posted on Nov 26, 2010

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1 Answer

Shuts off driving


fuel pump or crank camshaft sensor ,if no codes most likely fuel pump in the tank ,if check engine light on check the codes and expect crank cam sensor usualy crank sensor will cause it to cease running ,when that happens check the spark by removing one wire and watching for spark close to the ground or spray some fuel like carb cleaner or starting fluid into the air filter and see if it starts

Oct 21, 2013 | Dodge Durango Cars & Trucks

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Carburetor settings


In general there are fewer ways to adjust the newer carbs than the vintage carbs of the past. Often the vacuum at low idle is the problem and you should check a vacuum port on the intake with a Vacuum gauge.

Sometimes an EGR valve does not shut completely and the engine struggles at idle. If you find that vacuum is adequate, you can adjust the air mixture screws to provide the highest vacuum reading and then crank them in until the vacuum falls less than 1 inch.

It might be beneficial to run the engine and spray a water mist from a hand powered spray bottle around the seams of the intake and carburetor. Also spray any vacuum solenoids or lines. You will notice a change in RPM if there is a leak.

You may have a fuelpump problem A clogged fuel filter or low pressure can affect how the car idles.

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Dec 08, 2012 | 2007 Nissan 1400 Bakkie

2 Answers

Chevy Malibu 2003 cranks but won't start! I know


You might have a defective fuel tank pressure sensor!

May 05, 2012 | 2003 Chevrolet Malibu

1 Answer

1996 GMC 1500 truck, Vortec 6 cylinder. Will not start after being turned off for a few hours. Engine turns but won't catch. When I spray some starter fluid in the air filter line to the carb, it will...


I would lean towards the fuel pump, but... How dirty was the old filter??? if it was bad then the new one may have picked up whatever was left in the line. I guess I would go the easy route, replace the fuel filter, this time with the filter off crank the truck and catch the fuel in a mason jar til it is clean, you may need to drain the tank and try to clean it out if it is real dirty. Hope this helped Tim

Sep 23, 2010 | 2008 GMC Sierra 1500

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2.8 engine Would start when cool, but stall after


89 cierra? It should be DIS ignition so you can't have the timing too high. You said it has fuel and spark. Fuel pressure and injection pulse. Does it try to start if you spray carb cleaner into it?

Jun 03, 2010 | 1989 Oldsmobile Cutlass Ciera

1 Answer

1987 chevy s10 will not run. changed weak fuel pump and prssure is fine now, swapped out ecm, replace fuel pressure switch, oil pressure sensor, distrib cap, rotor, elec chip on distrib, o2 sensor, map...


It does sound like a fuel problem, try running some jet cleaner through as you may have clogged jets. Sometimes, removal of air filter and placing the palm of your hand over the top of the carb's butterfly valve, will clear blocked jets when engine cranked over a couple of turns.
Also check the float valve is letting fuel in, could be stuck.
I hope this helps.

Jul 14, 2009 | 1987 Chevrolet S-10 Pickup

1 Answer

My 2002 sedona xl will not supply gas to the engine is it the filter or the pump.the pump does not seem to run when ignition is on. Where is the pump or filter located and how repaired. Cy


If your sure its a fueling issue I would go to the wires that go to the fuel pump and check for power and ground. When the key is turned on the pump will run for about three seconds if you do not start the engine. If nothing happens then try cranking the engine and see if you have power. If you have power you will need a fuel pump. The pump is most likely in the fuel tank as is the filter. If you do not have power at the wires the you have a blown fuse of broken wire somewhere. Be aware the fuel pump is computer controlled and if the crank sensor is bad the fuel pump will not turn on. Easiest way to check for a bad crank sensor is crank the engine and check for a RPM signal. If you have a RPM gauge on the dash most of the time you cannot crank fast enough to get it ti move. Checking the RPM may need a timing light. Also a timing light will blink if the crank sensor is ok. If you have no RPM signal you most likely dont have fuel or spark., Easiest way to check for if you only have a fueling issue is spray a little brake clean into the throttle body. If it starts and stays running while adding very little spray of brake clean then you know its just a fuel issue. Also if the timing belt has stretched or jumped teeth this would cause a no start.

Jul 14, 2009 | 2002 Kia Sedona

1 Answer

2002 Jeep Wrangler 4.0 When Driving the Engine Dies


You need to do a code check. if no codes, check fuel supply (pump and filter) Quick way to isolate problem to either fuel or spark is to spray carb cleaner into intake while cranking. If engine starts, then it's fuel...If not, then I'd suspect spark...common problem there is crank sensor, but don't replace it without testing first!!!

May 14, 2009 | 2002 Jeep Wrangler

1 Answer

2002 ford taurus won't start at first crank in the morning


remove the air filter housing from the throttle body, or if its mult-ported injection, remove the large air duct. Do this the night before. The next day, before cranking and having a spray can of carb. cleaner, spray a couple of shots of carb cleaner either into the large air duct, spray towards the engine, or if its single body injection, spray directly on to the throttle body.

Crank engine immediately, preferrably have some one else sitting in the car to start it after you spray.

If the car even tries to start, replace cold start relay.

Nov 22, 2008 | 2003 Ford Taurus

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