@mymobilemechanic978: P0172 & P0175: One test completely changed this diagnosis. What’s your verdict? #autorepair #automotive #mechanic

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Wednesday 01 July 2026 01:12:00 GMT
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yo.david.yo
David leon :
High pressure fuel pump on valley pan leaking into the crankcase Very common
2026-07-01 09:38:39
41
kirksmodandrepairkmr
kirksmodandrepairkmr :
Bad driver side valve cover.
2026-07-01 11:12:02
3
marksandola
tripplehemi :
That's a bad high pressure pump
2026-07-01 02:26:13
21
st.cycles.2
ST Cycles 2 :
Leaking hp fuel pump
2026-07-11 13:57:12
3
hashtagdadlife2k20
Hashtagdadlife :
High pressure fuel pump. Had one kick my butt one time for a couple days. Mostly because it was torn apart from another shop
2026-07-09 13:28:41
3
justinleewolford
Justin Lee Wolford :
First thing I do with those codes is smell the oil dipstick
2026-07-01 10:59:08
9
jrperformance_
JRP :
Had one like this the other day , quoted high pressure pump , customer declined repairs .
2026-08-12 20:04:20
3
nickahlschlager
nickahlschlager :
Pretty common, there’s a tsb for it. Hpfp is leaking internally and the dirty side PCV is drawing in the fuel vapor through the nipple on the VLOM up into the intake
2026-07-01 23:58:23
5
husseinorland
husseinorland :
Fuel injector or the high pressure fuel pump they intend to leak into the oil (oil change)
2026-07-01 22:09:35
4
hiway351
Hi-Way :
high pressure fuel pump before watching the video
2026-07-02 00:07:41
4
gmtech123
gmtech123 :
High pressure fuel pump leaking into the crankcase. Drain oil, gonna have fuel in the oil.
2026-07-01 23:36:39
4
countrybuoy
Renaldo Brownie :
I had that problem with my Corolla and the and the cause was a week fuel pump.
2026-07-01 18:59:40
4
mrgwrench
MrGwrench :
Normal operation
2026-07-09 23:07:21
3
tokenmaze61
tokenmaze61 :
did you reset the alcohol fuel ratio
2026-08-23 02:41:46
1
ballasal180
salballa :
Hey Manny I lost your phone number,I have a job for you
2026-07-02 19:00:08
4
bigwes1986
Wes :
Update
2026-07-03 07:01:18
2
jcajcajcajca
Jca :
Oil change
2026-07-01 12:55:42
3
bigbeard0427
BigBeard0427 :
Hpfp
2026-07-01 21:07:55
3
jordanlongstreet3
jordanlongstreet3 :
High pressure fuel pump leaking into the crankcase, see it all the time, change the pump and oil youre good to go
2026-07-01 18:10:59
4
woolley0912
Dan Woolley :
HPFP. extremely common on these DI engines. pretty much any DI engine.
2026-07-01 19:23:25
4
house.doctor.ray
House Doctor Ray :
Dude! I did a YT video about this. Same troubleshooting steps. Great minds think alike. Mine ended up being a HPFP. I hope you have a high creeper. PITA. Nothing to lean on except sharp plastic and pointy brackets.
2026-07-02 00:27:34
2
crip1640
crip :
there has to be fuel in the engine oil
2026-07-01 10:58:43
4
m34turm4k3rho3
m34turm4k3rho3 :
High pressure fuel pumps dumping fuel into the crankcase
2026-07-02 03:04:55
4
blac_shine007
Shaun Miller :
Dumb question, but have you checked the air filter?
2026-07-01 04:41:15
4
mechanic_firefighter_
Sean :
unplug the maf see if trims correct. if they do problem is air if not the problem is fuel. reality is it's hpfp leaking. replace it and do an oil change
2026-07-01 04:09:15
4
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