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Ford F-Series Gasoline Engine Problems

163 messages,  Last post on Oct 15, 2009 at 9:39 PM

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What is this discussion about? Ford F-150, Ford F-250, Ford F-350, Engine, Truck

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#134 of 163 Re: 1991 f-150 problem. Need help please! [mike4578] by couzracing May 29, 2009 (3:49 pm)
Replying to: mike4578 (May 28, 2009 5:44 pm) as far as i know, there is no MAF sensor on that truck. then again i could be wrong. but ive never seen one on that year and model
#135 of 163 Re: F 150 Lean Fuel Code [cadaverk9] by couzracing May 29, 2009 (4:08 pm)
Replying to: cadaverk9 (Dec 29, 2007 5:28 pm) what year is your F150? And do you know the code that came up? should start with P0 if it is 1996 or later
#136 of 163 Re: Ford F-Series Gasoline Engine Problem [couzracing] by mike9408 May 29, 2009 (5:16 pm)
Replying to: couzracing (May 29, 2009 3:46 pm) Would be good to know what is the problem FIRST, then go from there. You should always clean and repair all that you know to be wrong before anything else can be done. Check everything first, if you don't know what to check , please let us know what exactly, the problem is...maybe there is help. Mike9408
#137 of 163 Issue with rough idle/loss of power while driving by dejager Jun 03, 2009 (4:21 pm)
I have a '94 f-150 with the 5.0L motor. My problem is not a consistant one, but is becoming more so. The usual series of events while driving is: my check engine light will come on, the motor will bog down, somtimes missing, I can usually get it to run right by hitting the throttle wide open. It will work fine for a bit then go right back. Check engine light does not stay on all the time. Also sometimes the truck will barely idle at a stoplight, and at the next it's fine. New(er) plugs, wires, rotor, cap, O2 sensor, PCV valve. Does not happen at the same air temperature, engine temp, load, speed. No clue what's up, but it seems like a sensor of some kind to me.   Thanks for any help.
#138 of 163 Re: 1991 f-150 problem. Need help please! [mike4578] by diehardford Jun 04, 2009 (12:21 am)
Replying to: mike4578 (May 28, 2009 5:44 pm) Mike , replace that module on the side of distributor. I have owned a lot of fords and every one has done what yours is doing and that module was the problem every time. That is your secondary ignition module and you will need a special tool to replace it sold at every car parts store for around 5 to ten dollars. The last module I bought was around 40 dollars.
#139 of 163 87 Ranger won't run by timbertim Jun 05, 2009 (6:38 pm)
I have replaced the filter in frame, took the fuel line off at the fuel pressure modlule on the rail, gas pumps up to there, checked the pressure in the rail, 40#s, replaced the module on distribitor, and still won't run. BUT if I sqirt gas into the air inlet it will run as long as I keep squirting the gas, stop and it dies. Replies to this message: mike9408 (Jun 06, 2009 12:47 am)
#140 of 163 5'4 3 valve stalling by notlob Jun 06, 2009 (12:44 am)
I have a 2004 F150 with the 5.4 3 valve engine. Engine stalls at idle or when making short burst of RPM's. I am getting a code read-out of P0506 ( IDLE CONTROL SYSTEM RPM LOW) I think it may be a vacuum line off or leaking, but I can not find the source. Any help would be appreciated. Thanks Notlob Replies to this message: mike9408 (Jun 06, 2009 1:06 am)
#141 of 163 Re: 87 Ranger won't run [timbertim] by mike9408 Jun 06, 2009 (12:47 am)
Replying to: timbertim (Jun 05, 2009 6:38 pm) What engine do you have???What control system do you have???Please check your air filter and any electronic device you might have between the air filter and the throttle body. Make sure air filter is in good condition and the wiring to all devices are connected properly. Mike9408
#142 of 163 Re: 5'4 3 valve stalling [notlob] by mike9408 Jun 06, 2009 (1:06 am)
Replying to: notlob (Jun 06, 2009 12:44 am) Check your throttle position indicator wiring connector, make sure it is in good condition and that the connection is good. Mike9408
#143 of 163 Re: Maintenance Question [ricardop1] by notlob Jun 06, 2009 (1:12 am)
Replying to: ricardop1 (Jul 11, 2007 8:59 am) My understanding of this problem is the spark plug (steel) seize up pretty tight in the aluminum heads by 100K. Dealership broke off five plugs on my 5.4 last week. They had told me to bring the truck in the day before so they could spray some solvent in the plug cavity and let it set overnight and remove the plugs the next day. They did not wait over night and removed the plugs after the engine had cooled, breaking 5 in the process. they do had a way of removing the busted plug , but have to be very careful about dropping debris into the cyl. Removing the heads is very $$. You need to know what they plan to do, so you don't have a big surprise.

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