engine problems?

B.A.M302 · September 4th, 2007, 09:16 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, 12:45 PM

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

nolife · September 4th, 2007, 01:12 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, 04:24 PM

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

B.A.M302 · September 5th, 2007, 12:43 AM

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 5th, 2007, 12:49 AM

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

September 4th, 2007, 09:16 AM	#1
B.A.M302 Regular Join Date: Jan 2007 Location: maryland Posts: 89 iTrader: 0 reviews	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, 12:45 PM	#2
91 5.0 lx hatch Regular 1993 5.0 notchback Join Date: Feb 2007 Location: Hawthorne,ca Posts: 90 iTrader: 0 reviews	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, 01:12 PM	#3
nolife Hardcore Enthusiast 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 2,878 Blog Entries: 3 iTrader: 0 reviews	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? __________________

September 4th, 2007, 04:24 PM	#4
91 5.0 lx hatch Regular 1993 5.0 notchback Join Date: Feb 2007 Location: Hawthorne,ca Posts: 90 iTrader: 0 reviews	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 5th, 2007, 12:43 AM	#5
B.A.M302 Regular Join Date: Jan 2007 Location: maryland Posts: 89 iTrader: 0 reviews	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 5th, 2007, 12:49 AM	#6
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 2,777 iTrader: 3 reviews	Fuel on your upper intake sounds like a leaking injector or line. __________________

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