gatorjay asked:


I know it sounds stupid to me too, but I heard somewhere that if your fuel filter is changed it can break the pump because the pump is used to working with a clogged fuel filter. Is this true? I just don’t want to be worried that I could be messing up the fuel pump.

BROOKS

Thomas Z asked:


As of lately, my Bronco takes some time to get started. It usually takes about a total of 5-15 secs to start. Once it has been running for a while though and I start it soon after it was running, its starts no problem. I believe it is the fuel pump or maybe the fuel filter that is causing this problem. Is it very difficult to change the pump? Would I need to take off the fuel tank to get to it? The Bronco has the V8 302 motor. Thank you!

GERARDO

poisonous_tree_frog asked:


The car turns over but the pump doesn’t pump fuel to the fuel rail. Fuel filter is new. We checked inertia shut off switch as well.
We let a relative drive it for two days while we went on vacation, it was parked for five days after that before we went back to pick it up. Everyone else swears it couldn’t have been caused by bad gas (I personally think the relative put in some 86 octane instead of premium). They also say its not the gas cap, which can cause problems on Fords. Has about 10 gallons of 93 premium in the tank now.
This one has even stumped the neighbor who works at Ford testing engines. Please help!
The butterflies on the throttle body move the throttle cable, they are mechanical and do open and close. The fuel pump is installed correctly according to Ford installation instuctions from Headquarters. It is not getting electricity, the harnesses have all been plugged in correctly but something else is preventing it from getting power and turning on. Yes, we did check the fuses and used a volt meter to check for power. Fuel pump was ordered from a dealership new, it is not aftermarket. Thanks.
FYI - Today , we used an OBD tester and found that there were no stored codes.
The OBDII tester read no codes, except when the pressure sensor on the engine top was disconnected. We checked everything at the back of the car including the fuel pump driver module (fpdm) and all wires at the back of the car, the tester didn’t notice when we disconected the fuel pump wires behind the bumper. In the end it turns out it was a wire going to the constant control relay module (ccrm) in the front passenger wheel well. The tire had rubbed a green wire with a red stripe in half. You could see a green spot on the other side of the splash guard. I had read about this about a week ago, another mustang owner wrote on a forum about it, but of course, I was “wrong” and my husband and his father had to be right. It wasn’t until I stubbornly insisted that my husband check it, that he finally took a look. The lesson to be learned here is “check every wire first, even if you have to do it yourself and even a team of automotive engineers insist it is something else.”
THANK YOU to everyone who answered, without your assistance we would not have been able to figure this one out. We truly appreciate your knowledge, experience and even your educated guesses. Thanks again.

JAMES

jcrulz13 asked:


I have an 1989 s-10 2.5l fuel injected. It has the original fuel pump and it is not pumping at enough pressure to keep the engine running. How much pressure should I be getting?

THURMAN

karate09 asked:


I am wanting to replace the stock fuel injectors. However, I was wondering if buy a larger fuel injector would lower my mpg or if it would increase my mpg? All information regarding fuel injectors and how they get clogged and fuel economy will be greatly appreciated.

JESUS

Ernst asked:


Most of them claim that they will save fuel, lower exhaust emmissions, clean engine and increase performance. But are they really good? If thery are so good why big oil companies do not put them in the fuels they sell to public?

THAD

Chuck B asked:


I want to disconnect from “the grid” and generate my own power on a continuous basis using propane for fuel. Most commercially available fuel cells for electrical generation are for back-up power only and require pure hydrogen to operate. I don’t know why the industry isn’t interested in the home market, but there seems to be no effort spent on this. If you know of any company that is working on this or currently has such a fuel cell, please provide details. Thanks.

CHARLIE

asked:


How much fuel is carried on an airplane? I saw a movie once where an airplane landed on a building and it did not burn up or the building fall down but with 911 airplanes the building went down. Is there enough fuel in an airplane for it to be use like a bomb? I really do not buy in to conspiratory theories. But I have been worring if it was more to it then this. So how much fuel is carried on a airplane? And could this be real?

VICENTE