Question about Dodge Ram 1500

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03 dodge 1500 truck 5.7 hemi engine miss fire 1cyl 2cyl all time and 4cyl cold condition only plugs good coils good fuel pressure readings very eratic

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  • speedee17055 Sep 05, 2009

    WE ARE GOING TO TRY THIS AND I WILL LET YOU KNOW



    THANKS

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Is the fuel pressure erratic or you have done a compression check and it's erratic... also if possible test the vacuum pressure

robert

Posted on Sep 06, 2009

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Turn your key on to the acc position (where your a/c etc comes on) and off 3 times. On the third cycle any trouble codes will show on your odometer/trip display. If you get any codes let me know and I can help you with that; otherwise if your ignition system is good spark plugs, plug wires and coils and you have erratic fuel readings as you say I would first replace your fuel filter, you already know your fuel pump works. The fuel filter
is integrated into the fuel pressure regulator which is mounted in the fuel tank. This unit is not controlled by the PCM or engine vacuum. It is calibrated to deliver approximately 35-45 psi of fuel pressure to the injectors. If the pressure exceeds the maximum of the specified range, an internal diaphragm closes to route fuel back into the fuel tank. This system eliminates the need for conventional return lines from the engine bay and accounts for the name of the "Returnless'' fuel injection system employed in these vehicles.
Fuel tank removal is required for this procedure. Also needed will be external snapring pliers and proper hose clamp pliers, such as No. C-4124 pliers (available through Plymouth/Dodge dealers), or equivalent


This is not really a hard job but more of a time consuming job you may first try a good professional fuel injection cleaning through the fuel rail before you attempt fuel filter change. If you need any more instructions with removal and reinstallation let me know and I'll be glad to help you.

Posted on Sep 04, 2009

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Related Questions:

1 Answer

How do i put in spark plugs in my 2005 dodge ram 1500


I'm assuming this is a 5.7 hemi. Remove the 8 coil packs that are bolted to the top of the valve cover. You can do 1 at a time. Each coil pack has two spark plugs under it . use a 5/8 spark plug socket and extention. If its a 4.7 the coil packs are held on by one 10mm nut. These packs are just inside the valve cover on both sides of the engine. There will be only one 5/8 plug for each pack

Jun 25, 2010 | 2005 Dodge Ram 1500

1 Answer

What is a p0307 code on a dodge truck 1500 5.7 hemi 2004 the truck is missing on one cyl.


P0301-P0308....2T catalyst........2004-05 Ram...Cylinder 1-8 Misfire Detected Conditions: Any time engine is running and the adaptive numerator has been successfully updated. When more than 1.5% (300M, Magnum), 2% (Durango, Ram), 2.5% (Durango LEV, Ram LEV), misfire rate is measured during 2 trips, or with 10-30% misfire during 1 trip. 3 good trips required to turn off MIL. Possible Causes: ASD relay output 2 circuit fault Injector control 1 circuit fault Coil control 1 circuit fault Ignition wiring, spark plug, or ignition coil fault Fuel pump inlet strainer plugged Restricted fuel supply line Fuel pump module fault Fuel pressure leakdown fault Fuel injector is damaged or has failed Engine mechanical problems exist PCM has failed. Hope this helps you. Thank You for using fixya.If you like this solution please rate it....Thank You, iluv2fish....Ray

Jun 24, 2010 | 2004 Dodge Ram 1500

1 Answer

Looking for firing and coil order 2004 hemi 5.7


For ALL 2004 Dodge RAM (1500, 2500, and 3500) (2WD and 4WD) 5.7L V8 Hemi:

.........Firing Order:
Coil...1-8-4-3-6-5-7-2
Plug..6-5-7-2-1-8-4-3

This should have been located at the top of the your Intake Manifold.

Let me know if this helped...

Apr 15, 2010 | 1998 Dodge Ram 1500 4WD

1 Answer

I am reading that the dodge ram 1500 hemi takes 16 plugs,is this true and how do you get the back plug out that is under the break housing area


there are indeed 16 plugs in the hemi engine. 8 of which are under the 8 ignition coils the other 8 are under the wires coming from the coils. You may have to remove some air filter tubing or engine covers to remove the coils, wires and plugs. good luck

Feb 28, 2010 | 2005 Dodge Ram 1500

1 Answer

2004 ram light indicates random miss fire, Replaced EGR valve, plugs, wires coils, fuel pump.


check your fuel rail because it could be putting out only so many psi of fuel so do fuel pressure test check. also what kind of fuel are you using? sometimes could be firing order or timing sequence. better check that too because eventually if this turns out to be electrically related it would be best to perform a diagnostic scan on it to be safe.
good luck!!!

Jul 26, 2009 | 2004 Dodge Ram 1500

1 Answer

03 ram missfiring


Try replacing the plug and plug wires if its a mis fire it should be throwing codes, if so I need the codes to help you. If not throwing codes then it is a mechanical problem could be the vapor purge valve malfunctioning could be a partial plugged fuel filter, does it miss all the time or does it miss under load? more info would help solve this.

Jul 14, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

1997 gmc 305 sparkplug firing order diagram


1 8 4 3 6 5 7 2 Clockwise rotation

I Hope this Does the trick for ya. Im Sure its TRUE & CORRECT
PLEASE Remember to RATE Me Most folks Dont I Need the Ratings to climb this Ladder THANK YOU MUCH

COIL WIRE-------------
#6-------- -------#5

#4------- -------#3

#2------- -------#7

#8------- --------#1
DISTRIBITOR

#8Cyl #7Cyl

#6Cyl #5Cyl

#4Cyl #3Cyl

#2Cyl #1cyl

Mar 29, 2009 | 1997 GMC Sierra

1 Answer

Won't Start.


These trucks have a problem with the catalytic convertor blocking the exhaust causing a no start condition, the three things you need to start fuel, spark and air. Try disconnecting exhaust in front of cat.

Jan 26, 2009 | 1998 Dodge Ram 1500 4WD

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