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JohnnyRingo

(19,430 posts)
9. It's almost never a fuel problem.
Mon Dec 12, 2011, 05:47 AM
Dec 2011

Alway... check ignition first, second, and third. More people have compounded their problems by attacking the fuel system first than you'd believe.

I know it sounds like it isn't getting gas, and it acts like it isn't, but the fact that it drives above idle says it's an ignition problem. It could be anything from the oxygen sensor (likely), to the ignition module (possibly, but not likely).

In French, the word for "leave it alone" is carbureteur. The Wright Brothers flew with a soup can as a carburettor. They either work, or they don't work. It may run rich or lean, but it'll run. Injectors are even more reliable.

If you really think you have a fuel problem, unhook a fuel line near the injector block, and with a glass jar under the open line crank the engine for a few seconds to fill the jar. Leave the sealed jar to sit for a couple hours and see what it looks like. Any foreign substance will settle in a strata layer, water at the bottom, and lighter solvents at the top. Ths is how pilots check their fuel for contamination except of course, they drain it from a tap in the wing.

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Not having seen it I can say in 94 right after I retired and drove back from right coast sce56 Dec 2011 #1
can you post the exact symptoms he was having, plus the year make and model, type of engine? 8 track mind Dec 2011 #2
89 ford PU auto, V8 4x4 Kali Dec 2011 #3
OK, gonna ask a lot of questions to see if we can get down to the bottom of it 8 track mind Dec 2011 #4
virtually no idle - won't stay lit Kali Dec 2011 #5
ahhhhh 8 track mind Dec 2011 #6
351, brakes fine Kali Dec 2011 #7
That would be a big vacuum leak. Gold Metal Flake Dec 2011 #8
hey, there you are! Kali Dec 2011 #11
im thinking this 8 track mind Dec 2011 #17
Yup, that's how you do it. Gold Metal Flake Dec 2011 #19
what is that? Kali Dec 2011 #22
holy shit is that a Y block? 8 track mind Dec 2011 #23
Dizz is out so I can prime it. Gold Metal Flake Dec 2011 #26
actually it went pretty fast when it went Kali Dec 2011 #10
Pre-1996 Ford truck trouble codes can be accessed without an expensive reader. JohnnyRingo Dec 2011 #16
Sweet! Gold Metal Flake Dec 2011 #27
is this what I am looking for? Kali Dec 2011 #28
That is the pair of test connectors Gold Metal Flake Dec 2011 #29
which hole do I jump to? Kali Dec 2011 #30
OOH! Check this link! Gold Metal Flake Dec 2011 #31
finally got them Kali Jan 2012 #33
sorry guys Kali Dec 2011 #20
It's almost never a fuel problem. JohnnyRingo Dec 2011 #9
I have to think the mechanic has really gone over it, he is a good guy and usually knows his stuff Kali Dec 2011 #12
Is it showing any codes? Gold Metal Flake Dec 2011 #13
that issue remains the same Kali Dec 2011 #14
I have an older code reader. Gold Metal Flake Dec 2011 #15
finally! Kali Jan 2012 #34
Gotta disagree with the o2 sensor/ ignition diagnosis 8 track mind Dec 2011 #18
Spit balling Gold Metal Flake Dec 2011 #21
im thinking the same thing 8 track mind Dec 2011 #24
Good point. JohnnyRingo Dec 2011 #25
codes Kali Jan 2012 #35
codes! Kali Jan 2012 #32
Good for you! JohnnyRingo Jan 2012 #36
^^ Yup ^^ Gold Metal Flake Jan 2012 #37
and on this one Kali Mar 2012 #38
Huzzah #2. Gold Metal Flake Mar 2012 #39
Spam deleted by Violet_Crumble (MIR Team) Steven_car Jun 2012 #40
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