engine problems?

B.A.M302 · September 4th, 2007, 08:16 AM

Has anyone ever heard of gas being on there upper intake manifold gasket ? Or do they know the cause of it or how to fix it ? My fuel injected 306 is doing this and am worried that this may become a serious problem. Any advice would be great.

91 5.0 lx hatch · September 4th, 2007, 11:45 AM

i get small amounts in my upper intake but not alot just like a small coat

nolife · September 4th, 2007, 12:12 PM

Verify your fuel pressure regulator is not leaking fuel through its vacuum line and being sucked into the intake. With only a small amount, it may be hard to verify. Do you have fuel or a strong fuel smell in the intake piping or around the throttle body as well?

91 5.0 lx hatch · September 4th, 2007, 03:24 PM

yea see i only have a little bit in the intake you can barely even smell it

B.A.M302 · September 4th, 2007, 11:43 PM

Its a pretty big amount but I checked the vacuum line to the regulator and there was nothing there not even a smell. I think my injectors are to big I have 30pd injectors and I think I should of went with 24's.

neverfastenough1 · September 4th, 2007, 11:49 PM

Fuel on your upper intake sounds like a leaking injector or line.

September 4th, 2007, 08:16 AM	#1
B.A.M302 Regular Join Date: Jan 2007 Location: maryland Posts: 89	engine problems? Has anyone ever heard of gas being on there upper intake manifold gasket ? Or do they know the cause of it or how to fix it ? My fuel injected 306 is doing this and am worried that this may become a serious problem. Any advice would be great. __________________ Crate 302, Trick Flow Intake R, 75mm MAF, bbk 75mm throttle body, bbk 76mm EGR spacer, 351 Winsor heads ported and polished by Bennet Racing, Lunati cam, 30 pd. Injectors, TKO 500, aluminum drive shaft, bbk mid length headers, bbk off road H pipe, 3:55,

September 4th, 2007, 11:45 AM	#2
91 5.0 lx hatch Regular 1993 5.0 notchback Join Date: Feb 2007 Location: Hawthorne,ca Posts: 86	i get small amounts in my upper intake but not alot just like a small coat __________________ 93 5.0 notch-b303 cam,performer rpm heads,performer upper and lower,70mmthrottle body,shorty headers,h-pipe,flows,cai,1.7rr,built aod 91 5.0 lx hatch-Sold 92 5.0 lx hatch-Sold

September 4th, 2007, 12:12 PM	#3
nolife Enthusiast Join Date: Dec 2006 Posts: 954	Verify your fuel pressure regulator is not leaking fuel through its vacuum line and being sucked into the intake. With only a small amount, it may be hard to verify. Do you have fuel or a strong fuel smell in the intake piping or around the throttle body as well? __________________ 1991 GT - Original owner, all stock 1988 GT - The project car

September 4th, 2007, 03:24 PM	#4
91 5.0 lx hatch Regular 1993 5.0 notchback Join Date: Feb 2007 Location: Hawthorne,ca Posts: 86	yea see i only have a little bit in the intake you can barely even smell it __________________ 93 5.0 notch-b303 cam,performer rpm heads,performer upper and lower,70mmthrottle body,shorty headers,h-pipe,flows,cai,1.7rr,built aod 91 5.0 lx hatch-Sold 92 5.0 lx hatch-Sold

September 4th, 2007, 11:43 PM	#5
B.A.M302 Regular Join Date: Jan 2007 Location: maryland Posts: 89	Its a pretty big amount but I checked the vacuum line to the regulator and there was nothing there not even a smell. I think my injectors are to big I have 30pd injectors and I think I should of went with 24's. __________________ Crate 302, Trick Flow Intake R, 75mm MAF, bbk 75mm throttle body, bbk 76mm EGR spacer, 351 Winsor heads ported and polished by Bennet Racing, Lunati cam, 30 pd. Injectors, TKO 500, aluminum drive shaft, bbk mid length headers, bbk off road H pipe, 3:55,

September 4th, 2007, 11:49 PM	#6
neverfastenough1 Hardcore Enthusiast Join Date: May 2007 Location: Savannah, Ga Posts: 1,273	Fuel on your upper intake sounds like a leaking injector or line. __________________ 2007 Explorer Sport Trac, 292 HP, Stock 2002 Mustang GT

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