Question about 2006 Chevrolet Malibu

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Need to crank engine 3 to 4 times then you can here the fuel pump activate then the car starts

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Sound like either fuel pump or fuel pump relay. You can have someone tap the top of the relay when the problem occurs and see if that restores power to the pump. Or you can unplug the pump and check for 12v when the key is turned. If you have power then the pump is bad. No power...then the fuse or fuel pump relay is bad. Not common but possible is a bad electrical ground or faulty electrical connector.

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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1 Answer

02 trailblazer will not stay running after I crank it without a little gas. Replaced throttle body and still not working right.


need to check fuel pressure.
With out proper fuel pump pressure engine will not start or run. Here is a way to try to start engine. turn key on but do not crank engine over, turn key off, then turn key back on, do not crank engine over. Repete 3 or 4 times. This gets fuelpressure up to where it should start. Have fuel pump pressure tested. Replace pump as needed.

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Apr 21, 2017 | Cars & Trucks

1 Answer

How do you bleed a diesel pump jeep Cherokee turbo diesel 3.1 5 cylinder 2001


we dont have this engine here, USA.
but i have the WG jeep book,
starting page 12 , chapter 14


FUEL INJECTION PUMP BLEEDING
(1) If the fuel injection pump has been replaced,
air should be bled at the overflow valve before
attempting to start engine.
(a) Loosen the overflow valve (Fig. 18) at the
rear of the injection pump.
(b) Place a towel below the valve.
WARNING: WHEN CRANKING THE ENGINE TO
BLEED AIR FROM THE INJECTION PUMP, THE
ENGINE MAY START. PLACE THE TRANSMISSION
IN NEUTRAL OR PARK AND SET PARKING BRAKE
BEFORE ENGAGING THE STARTER MOTOR.
CAUTION: Do not engage the starter motor for
more than 30 seconds at a time. Allow 2 minutes
between cranking intervals.
(2) Crank the engine for 30 seconds at a time to
allow air trapped in the injection pump to vent out
the fuel injector drain tubes. Continue this procedure
until the engine starts. Observe the previous WARNING
and CAUTION.
(3) Tighten overflow valve.
HIGH-PRESSURE FUEL LINE BLEEDING
WARNING: THE INJECTION PUMP SUPPLIES HIGH-
-PRESSURE FUEL OF APPROXIMATELY 45,000 KPA
(6,526 PSI) TO EACH INDIVIDUAL INJECTOR
THROUGH THE HIGH-PRESSURE LINES. FUEL
UNDER THIS AMOUNT OF PRESSURE CAN PENETRATE
THE SKIN AND CAUSE PERSONAL INJURY.
WEAR SAFETY GOGGLES AND ADEQUATE PROTECTIVE
CLOTHING AND AVOID CONTACT WITH
FUEL SPRAY WHEN BLEEDING HIGH-PRESSURE
FUEL LINES.
WARNING: DO NOT BLEED AIR FROM THE FUEL
SYSTEM OF A HOT ENGINE. DO NOT ALLOW FUEL
TO SPRAY ONTO THE EXHAUST MANIFOLD WHEN
BLEEDING AIR FROM THE FUEL SYSTEM.
Bleed air from one injector at time.
(1) Loosen the high-pressure fuel line fitting at
the injector (Fig. 19).
(2) Crank the engine until all air has been bled
from the line. Do not operate the starter motor
for longer than 30 seconds. Wait 2 minutes
between cranking intervals.
(3) Start the engine and bleed one injector at a
time until the engine runs smoothly.

end quote.
pump timing is on next page
or tank filter line priming before. above.

Mar 22, 2016 | Jeep Cars & Trucks

2 Answers

When i turn the key the engine cranks over but does not start, if i continue to crank it for a minute or two then it will eventually start and drive just fine. any ideas?


This sounds like a fuel system priming issue. When you first turn the key to the ON position (not cranking yet), you should hear a three-to-five second buzzing noise. This is the fuel pump running to pressurize the fuel system for cranking. This is controlled by the PCM and is relay activated. Once the vehicle starts and oil pressure rises, then the fuel pump is activated by the PCM via a different relay. If you can't start at first, what is probably happening is that the prime is not occurring and you have to crank it until the PCM sees oil pressure and then fires off the fuel pump. It could be PCM wiring or a bad fuel pump prime relay.

Oct 02, 2015 | Cars & Trucks

1 Answer

Getting no power to fuel pump fuse no power to ignition fuse


no engine stated.!

fuses good,? 12vdc on both sides key on?

spark good on all cylinders.??????????

this is first. not fuel, fuel is dead last.

if above is ok the engine runs on test fuel.

if the engine runs for say 3 seconds on test fuel, and SOUNDS

great, that means the spark and engine are ok, leaving>?

FUELING only.

easy , right?

if true all that, then the scan tool is next.

wont buy one,? like most here? (you cant fix cars with no scan tool)



make up or buy a NOID lamp. (a small 12vdc lamp)

see if the injectors are all firing.

if not, the PCM is cutting fuel.

if the injectors fire (electric pulse) then it may be fuel relay not closing.

did you check for 12vdc (11vdc min) at the pump? cranking

you must crank it and check,

there are 3 kinds of cars. (we assume last)

1: pump runs keyon, full time, (illegal now)

2: pump runs for 3 seconds, and stops keyon, (for priming only)

3: runs only cranked, (most cars) and runs running engine.



see that logic there?

some cars cut pump and injection with no spark. ( to cut fires)

this logic is inside the PCM brain, called firmware.

just assume the car is smarter and use #3 above. on all cars

and I win..



the scan tool will show errors cranked for 5 seconds.

does it?



now why i cant leave generic help and answer specifcially

no engine stated.

to fix them you need to know whats there, first.



the line up

1.4 L E-TEC I4 (petrol)

1.6 L E-TEC I4 (petrol)

1.8 L Family II I4 (petrol)

2.0 L Family II I4 (petrol)

2.0 L RA 420 I4 (diesel)





next time post the engine in your car.

open hood , look up see EPA sticker there and engine type?

USA answers... all. of mine, as this is a USA forum../

try to add to one post for one problem not make many unique posts. stay on NO START. please.

Apr 04, 2015 | 2006 Suzuki Forenza

1 Answer

Takes a long time for fuel pump to prime before car will crank. sometimes 15+ minutes


Something is definitely wrong with this picture. It should only take 2 or 3 seconds for the pump to make correct pressure. Just turning the key to on turns the pump on to pressurize the system, then pump will shut off, maintaining pressure, until the computer gets an engine cranking signal, at which time pump should come back on, and stay running when engine is running.
The only way to check fuel pressure is with a fuel pressure gauge hooked onto the fuel rail. If you check and pressure is correct and doesn't drop right away, the problem is elsewhere, not in the fuel delivery. You said takes a long time before car will crank-is there a problem with the engine cranking over with key in start? That would be an ignition or starting circuit problem, not having anything to do with the fuel pressure.

Apr 10, 2013 | 1997 Ford Thunderbird LX

1 Answer

I am retired from25 yrs as aoto tech. I used to enter diagnostics on Caddis by pushing off and warmer at same time. will a 97 deville work with same procedures through the AC controls? Family member has...


delayed ignition ?? (meaning no spark when first cranking over)
or delayed starting
if delayed spark -electrical problem -check Ignition module and wiring
if delayed starting (spark ok) i'd check is Fuel rest pressure And Fuel pump relay
Does fuel pump cycle when ignition is turned on
meaning engine starts when oil pressure activates pump

Mar 17, 2010 | 1995 Cadillac DeVille

3 Answers

"Cranks, but won't start". Replaced fuel pump, CKP, ICM & nothing


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..

Aug 27, 2009 | Chevrolet Camaro Cars & Trucks

1 Answer

Turn key, cranks but no fuel still after new pump.


every key cycle(5 secs appart) will turn pump on for 3 seconds.This is done to insure pressure at the injector when cranking,otherwise hard starting would insue.The engine computer drives a relay in the underhood junction box which sends 12 volts to the pump.An audible click of that relay and the pump can be heard key on/engine off for 3 secs via the ignition signal to the ecm which drives the fuel pump relay.

Jul 16, 2009 | 2000 Chevrolet Cavalier

1 Answer

Slow to crank when hot


fuel pump has defective check valve check fuel pump m and fuef tank and replace.

Jun 29, 2009 | 2006 Nissan Sentra

1 Answer

Have to turn ign. on&off 3 times to prime it to start.


you have pressure bleedng off due to a bad check valve in the fuel pump or a bad pressure regulator (on the fuel rail) letting pressure bleed off.

When you turn the key on & off, it starts the fuel pump for 2 seconds each time. The pump turns off after 2 seconds unless the engine is running. The pump runs all the time during crank mode.
But you need 40 psi when you start cranking so the injectors can spray fuel into the cylinders.
please rate as fixya if this identifies your issue. Good luck.

Mar 11, 2009 | 1999 Ford Explorer

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