Forum Replies Created
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Replies
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Eric, buddy ! Have you ever heard of the Internet and Google ? Almost any problem/issue you are going to come across, someone else has seen it before ! Check this write up on 1999 Ford Crown Vic Fuel Filter and Fuel Pump Replacement. (Okay, it doen’t say fuel level sender, but most people know they are part of the same sub-assembly !)
Important steps
2. If you have more that 1/2 tank of fuel you may want to siphon it out of the tank. The pump is actually on the side of the tank, not on top.
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7. Drop the tank. People say you don’t have to, I tried not to but in the end I did anyway.Well, you get an A for effort, but I hope anyone watching your video understands that leaving the tank IN is not the way to go !
Eric, buddy ! Have you ever heard of the Internet and Google ? Almost any problem/issue you are going to come across, someone else has seen it before ! Check this write up on 1999 Ford Crown Vic Fuel Filter and Fuel Pump Replacement. (Okay, it doen’t say fuel level sender, but most people know they are part of the same sub-assembly !)
Important steps
2. If you have more that 1/2 tank of fuel you may want to siphon it out of the tank. The pump is actually on the side of the tank, not on top.
.
.
.
7. Drop the tank. People say you don’t have to, I tried not to but in the end I did anyway.Well, you get an A for effort, but I hope anyone watching your video understands that leaving the tank IN is not the way to go !
I sure wish my daughter had some interest in car repairs. Tough business to make a living at, but knowing where the hood (bonnet) latch is and how to check/add oil and change a tire should be mandatory for anyone with a driver’s license.
I sure wish my daughter had some interest in car repairs. Tough business to make a living at, but knowing where the hood (bonnet) latch is and how to check/add oil and change a tire should be mandatory for anyone with a driver’s license.
Long reach needle nose pliers. Straight and bent tip.
I admit they are Harbor Freight, but the pair were like $9 !
Long reach needle nose pliers. Straight and bent tip.
I admit they are Harbor Freight, but the pair were like $9 !
[quote=”sjrobinson” post=66315]Specifically for 90’s hondas (and Mitsubishis) they were used to allow low impedance (peak and hold) injectors to be used since they do better at high speeds but the resistor was needed as to not burn out the ecu or the injector themselves. [/quote]
I am familiar with low impedance injectors and “peak and hold” driver circuitry. All of the circuits I have seen switched the driver transistor into analog mode, dissipating energy inside the module. Never heard of an external set of resistor being switched in.Learn something new everyday.
[quote=”sjrobinson” post=66315]Specifically for 90’s hondas (and Mitsubishis) they were used to allow low impedance (peak and hold) injectors to be used since they do better at high speeds but the resistor was needed as to not burn out the ecu or the injector themselves. [/quote]
I am familiar with low impedance injectors and “peak and hold” driver circuitry. All of the circuits I have seen switched the driver transistor into analog mode, dissipating energy inside the module. Never heard of an external set of resistor being switched in.Learn something new everyday.
[quote=”sjrobinson” post=66311]The injector resistor box is suspect. [/quote]
What is an “injector resistor box” ?The resistance readings were off on 3 of the 4 injector connections. Ill change the part out and see if that works.
Injectors have low resistance, less than 20 ohms. Most meters are not that accurate at low resistance.
[quote=”sjrobinson” post=66311]The injector resistor box is suspect. [/quote]
What is an “injector resistor box” ?The resistance readings were off on 3 of the 4 injector connections. Ill change the part out and see if that works.
Injectors have low resistance, less than 20 ohms. Most meters are not that accurate at low resistance.
[quote=”college man” post=66237]Is the fuel tank metal? If it is the tank itself
may be rusting. keep us posted on your progress.[/quote]
Highly unlikely.Metal tanks rust from the outside in. Besides, there is a filter “sock” on the fuel pump inlet.
[quote=”college man” post=66237]Is the fuel tank metal? If it is the tank itself
may be rusting. keep us posted on your progress.[/quote]
Highly unlikely.Metal tanks rust from the outside in. Besides, there is a filter “sock” on the fuel pump inlet.
[quote=”Labyrinth00″ post=66213]so today i took the car to a mechanic… blew out the fuel lines with a compressor and noticed alot of fragments came out so the mechanic said that its probably rusting in the lines and that damaged the new fuel pump that i installed. … so the suggested project is to change the fuel lines and install new pump.[/quote]
How can debris in the fuel line damage a fuel pump when the fuel flow (and therefore the debris flow) is FROM the fuel pump to the engine ?
[quote=”Labyrinth00″ post=66213]so today i took the car to a mechanic… blew out the fuel lines with a compressor and noticed alot of fragments came out so the mechanic said that its probably rusting in the lines and that damaged the new fuel pump that i installed. … so the suggested project is to change the fuel lines and install new pump.[/quote]
How can debris in the fuel line damage a fuel pump when the fuel flow (and therefore the debris flow) is FROM the fuel pump to the engine ?
[quote=”sjrobinson” post=66173]After a drive the car is still doing it. But its intermittent. I check and the majority of the time the car is in open loop. But the o2 sensor readings seem incorrect, like theyre both defective. Its not that the ecu is ignoring them, its like the voltages are inconsistent and not accurate with the exhaust.
Id change the upstream but it wouldnt explain why the downstream acts funny too.[/quote]
10 to 1 odds you do NOT have an O2 sensor problem !
The downstream sensor should always follow the upstream sensor. Its whole purpose in life is to validate the upstream sensor and catalyst are working. If the 2 sensor are not in sync, that is a problem.
The ECU software will ignore the O2 sensor and go open loop if it decides that the readings are invalid. It will however, sort of “kick start” the O2 sensor by driving the air fuel ratio rich and then lean to see if it has an effect. If yes, you atr in closed loop. If no it goes back to open loop for some period of time before doing this whole thing over again.