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Possible fuel filter?


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chrisgritz
User

Apr 22, 2015, 1:36 PM

Post #1 of 12 (1024 views)
Possible fuel filter? Sign In

2004
Ford
Explorer
4.0 v6
160k

Hey guys so recently my car has been shaking when i get to a stop light. I can see the RPM constantly go from 500 to 1000, it goes up and down and in rare cases it has turned off on me but it has not done it in a while. It gets really bad when i am in bad traffic bumper to bumper and i have to constantly be accelerating and pressing the break and very low mph, 0-15 maybe 20 and breaking. It starts to shake like it's about to cut off on me till i give it gas again. Could this be the fuel filter? I have changed spark plugs and bought a new battery, not sure what else to check.


Tom Greenleaf
Ultimate Carjunky / Moderator
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Apr 22, 2015, 2:31 PM

Post #2 of 12 (1012 views)
Re: Possible fuel filter? Sign In

None of those symptoms suggest a fuel filter is the trouble. Fine to know one is new but get codes that it must have if only pending and post the #s found.


Tons more than just what you've done possible but fuel pressure and volume is one of them,


T



chrisgritz
User

Apr 22, 2015, 2:50 PM

Post #3 of 12 (1007 views)
Re: Possible fuel filter? Sign In

yea i have the check engine on, going to get codes right now


chrisgritz
User

Apr 22, 2015, 3:22 PM

Post #4 of 12 (1004 views)
Re: Possible fuel filter? Sign In

P0193 Ford - Fuel Rail Pressure Sensor Circuit High Inpu

P0102 Ford - Mass or Volume Air Flow Circuit Low Input

P0171 Ford - Fuel Injection System Too Lean Bank 1


Hammer Time
Ultimate Carjunky / Moderator
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Apr 22, 2015, 3:37 PM

Post #5 of 12 (997 views)
Re: Possible fuel filter? Sign In

I'd be looking around the intake snorkel for any holes, cracks or hoses disconnected before blaming the MAF.



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chrisgritz
User

Apr 29, 2015, 3:37 PM

Post #6 of 12 (934 views)
Re: Possible fuel filter? Sign In

it was a hose that came loose, its also really old, i put it back on but it has a lot of cracks and stuff and its not its still doing the idle thing but just very very little and im sure it's because of the cracks, going to replace it soon, ty guys!


chrisgritz
User

May 21, 2015, 7:36 AM

Post #7 of 12 (891 views)
Re: Possible fuel filter? Sign In

Alrighty guys, after some time the problem returned. Yesterday in traffic my. Car Turned off three times. It happens when I'm mostly stuck in traffic, when I'm driving and I don't have to constantly be stopping and accelerating I don't have a problem. The car turns on without a problem. I already cleaned the maf sensor about threw days ago. Could it be a faulty sensor or maybe fuel. Pump?

Also it doesn't happen everyday, only some days, today in traffic if didn't do it but other days in traffic it will.


(This post was edited by chrisgritz on May 21, 2015, 7:52 AM)


Tom Greenleaf
Ultimate Carjunky / Moderator
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May 21, 2015, 8:14 AM

Post #8 of 12 (883 views)
Re: Possible fuel filter? Sign In

Quote">>it was a hose that came loose, its also really old, i put it back on but it has a lot of cracks and stuff and its not its still doing the idle thing but just very very little and im sure it's because of the cracks, going to replace it soon, ty guys!<<"


Did you ever replace putting back on all that stuff that was NG or if still on it I would,


T



chrisgritz
User

May 21, 2015, 8:16 AM

Post #9 of 12 (879 views)
Re: Possible fuel filter? Sign In

Oh yea that was replaced as well.


Tom Greenleaf
Ultimate Carjunky / Moderator
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May 21, 2015, 8:21 AM

Post #10 of 12 (878 views)
Re: Possible fuel filter? Sign In

Codes again then............


T



chrisgritz
User

May 21, 2015, 8:47 AM

Post #11 of 12 (868 views)
Re: Possible fuel filter? Sign In

P0193 Ford - Fuel Rail Pressure Sensor Circuit High Inpu 

P0102 Ford - Mass or Volume Air Flow Circuit Low Input 

P0171 Ford - Fuel Injection System Too Lean Bank 1 


Discretesignals
Ultimate Carjunky / Moderator
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May 22, 2015, 4:46 AM

Post #12 of 12 (853 views)
Re: Possible fuel filter? Sign In

Someone needs to look at scan tool data for the fuel rail pressure sensor and MAF voltage/lbs sec PIDs and watch fuel trims to see what rpm and engine load blocks the lean problem occurs.





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