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Fuel Pump Maintenance Tips #4442800
06/27/17 01:13 PM
06/27/17 01:13 PM
Joined: Apr 2017
Posts: 401
Mississippi
Speak2Mountain Offline OP
Speak2Mountain  Offline OP
Joined: Apr 2017
Posts: 401
Mississippi
Give me some tips (aside from keeping gasoline levels up)on maintaining FP

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442810
06/27/17 01:18 PM
06/27/17 01:18 PM
Joined: Mar 2012
Posts: 1,278
San Antonio, TX
E150GT Offline
E150GT  Offline
Joined: Mar 2012
Posts: 1,278
San Antonio, TX
Probably not much


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: Fuel Pump Maintenance Tips [Re: E150GT] #4442815
06/27/17 01:23 PM
06/27/17 01:23 PM
Joined: Apr 2013
Posts: 2,333
The Northeast
mclasser Offline
mclasser  Offline
Joined: Apr 2013
Posts: 2,333
The Northeast
Originally Posted By: E150GT
Probably not much

True


2018 Hyundai Elantra VE -- 4K
2013 Honda Pilot EX-L 4WD -- 56K
2002 Honda Accord EX-L -- 211K

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442838
06/27/17 01:45 PM
06/27/17 01:45 PM
Joined: Jan 2016
Posts: 236
Ada county Idaho
MRtv Offline
MRtv  Offline
Joined: Jan 2016
Posts: 236
Ada county Idaho
Actually one of the main reasons I use MMO in my fuel. My fuel pump is in the fuel tank and replacing it will be a problem if I ever have to. So I use MMO to lubricate the pump and hopefully, I say hopefully, never have to worry about it.


2014 Nissan Versa Note 1.6 liter engine. 1997 Ford F150 4x4 4.6 liter engine.
Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442852
06/27/17 01:58 PM
06/27/17 01:58 PM
Joined: Sep 2011
Posts: 3,322
Somewhere
itguy08 Offline
itguy08  Offline
Joined: Sep 2011
Posts: 3,322
Somewhere
Originally Posted By: Speak2Mountain
Give me some tips (aside from keeping gasoline levels up)on maintaining FP


Nothing. Not even "keeping gas levels up". May have helped in the past (but doubtful) but as long as you don't run it out of fuel there is always something cooling the pump.

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442854
06/27/17 01:59 PM
06/27/17 01:59 PM
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
Shell gas if you can afford it.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442883
06/27/17 02:41 PM
06/27/17 02:41 PM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
Forget the MMO for almost anything.

Fuel pumps fail due to lack of cooling. Fuel running through the pump cools it. Suck air and no cooling, possible fuel pump damage.

To avoid fuel pump failures avoid GM vehicles around 1993.

Last edited by Donald; 06/27/17 02:42 PM.

2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Fuel Pump Maintenance Tips [Re: Donald] #4442904
06/27/17 03:09 PM
06/27/17 03:09 PM
Joined: Jan 2011
Posts: 2,943
PV Az
AZjeff Offline
AZjeff  Offline
Joined: Jan 2011
Posts: 2,943
PV Az
Originally Posted By: Donald

To avoid fuel pump failures avoid GM vehicles around 1993.


Not hard to do really....


86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP
16 Silverado 1500 4.3, DI, AFM 5W-30 PP

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442911
06/27/17 03:17 PM
06/27/17 03:17 PM
Joined: Jun 2017
Posts: 147
Waco, Tx.
Syntheticuser Offline
Syntheticuser  Offline
Joined: Jun 2017
Posts: 147
Waco, Tx.
I never run less than 1/4 tank. I ALSO recommend that you change your fuel filter if it has one. The posts above me did not mention it. I can watch the duty cycle of the fuel pump on my vehicles through TP. I have watched it drop by 15% JUST changing the filter. I'm sure it runs hotter on a restricting filter. ...it will push and push trying to Maintain a set pressure, drawing more current little by little and burn itself out when the filter restriction gets to much.
PS the only data I have to back this up is the duty cycle numbers from the TP app. I know some of you guys will try to shoot holes in my theory and not have a valid reason. My numbers are at 105k miles DC = 47%. New filter DC =31%. Same conditions...same day.. just changed the filter= less load on the pump.

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442920
06/27/17 03:28 PM
06/27/17 03:28 PM
Joined: Dec 2005
Posts: 9,898
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 9,898
Upper Midwest
As others have mentioned I also don't think the "keeping the tank above 1/4" has anything to do with it. My custom is to run right down to empty virtually every time, and my fuel pumps are fine.


1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 400K
2000 Toyota ECHO, 271K
Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442938
06/27/17 03:46 PM
06/27/17 03:46 PM
Joined: Mar 2012
Posts: 1,278
San Antonio, TX
E150GT Offline
E150GT  Offline
Joined: Mar 2012
Posts: 1,278
San Antonio, TX
I run down to the point where the light comes on in the Mazda. The truck I don't mess around with because I don't trust the 22 year old fuel gauge. I hate being stranded and I really hate being stranded for dumb reasons.


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4442960
06/27/17 04:11 PM
06/27/17 04:11 PM
Joined: Apr 2016
Posts: 753
Specific Ocean
Kibitoshin Offline
Kibitoshin  Offline
Joined: Apr 2016
Posts: 753
Specific Ocean
Plan to change fuel pump as PM. The OEM fuel pump in my 02 Silverado went out at 98,000mi during a mission critical job so I threw in another OEM pump and plan to replace it at 190,000mi. Also replace fuel filter every 3 years.


Shin Gekiretsu Shin'ou'hou
01 Toyota Tundra 2WD V8 4.7L - 170k mi
02 Chevy Silverado C1500 V8 5.3L 154k mi
Re: Fuel Pump Maintenance Tips [Re: MRtv] #4442998
06/27/17 05:14 PM
06/27/17 05:14 PM
Joined: Jan 2003
Posts: 1,016
Elizabeth. Colorado
c502cid Offline
c502cid  Offline
Joined: Jan 2003
Posts: 1,016
Elizabeth. Colorado
Originally Posted By: MRtv
Actually one of the main reasons I use MMO in my fuel. My fuel pump is in the fuel tank and replacing it will be a problem if I ever have to. So I use MMO to lubricate the pump and hopefully, I say hopefully, never have to worry about it.


+1!


17 SuperDuty 6.2 4x4
15 Chev Trax AWD
02 GMC 3500 8.1/Allison 4x4
00 Blazer 4x4
97/98 Civic's
84 Chev K30 454EFI 4x4
71 GMC Jimmy 502 RamJet
Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4443002
06/27/17 05:17 PM
06/27/17 05:17 PM
Joined: Aug 2004
Posts: 4,636
Katy, Republic of Texas
blupupher Offline
blupupher  Offline
Joined: Aug 2004
Posts: 4,636
Katy, Republic of Texas
Drive it till it fails.


1994 Honda VT1100: Peak 15w-40/PSL/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI

Re: Fuel Pump Maintenance Tips [Re: Speak2Mountain] #4443086
06/27/17 06:58 PM
06/27/17 06:58 PM
Joined: Mar 2016
Posts: 1,351
toronto
PeterPolyol Offline
PeterPolyol  Offline
Joined: Mar 2016
Posts: 1,351
toronto
TWC-3 at ridiculously dilute ratios.

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