Question about 2002 Lincoln LS

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2003 Lincoln LS...quit running at 30mph, restarts but runs rough for 15-20 seconds and dies. Has good fuel pressure and I put a new fuel filter on it.

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Its prolly ur idleing senser.. if the car isnt idleing at a a good speed it wont keep the car running

Posted on Apr 05, 2011

  • sblake01
    sblake01 Jul 06, 2012

    Wow. the question was akded in English - I'd expect the answer also to be in English.

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2003 Lincoln LS 3.9 V8...car starts a bit harsh, and idles very rough, when I try to accelerate it tries to die on me, as I it's getting to much fuel, and not enough air...PLEASE help!!!


How long since a tune-up? Any applicable trouble codes? Around here, some of the national brand auto stores will check p0 codes for free. I don't know about manufacturer specific codes?
The basics for a rough idle on a lot of vehicles is to check for a leak of some kind, fuel--egr--vacuum leak.
You could use a gage and check proper fuel pressure? Then turn the key off, see if pressure holds for a bit. If it drops like a rock, check for fuel pressure leak. Check to see if fuel system running rich or lean?
With some ford systems, everything off, unplug the maf sensor, where applicable. Start the vehicle, see if it does any better, if so have to check maf system.

Apr 15, 2018 | Lincoln Cars & Trucks

1 Answer

I PUT A NEW HIGH PRESSURE OIL PUMP IN MY 6.0 2003 POWERSTROKE IT RAN GOOD FOR TWO WEEKS THEN STARTED RUNNING ROUGH AND THEN DIED


Ford had a lot of problems with this engine. Most diagnosis requires a factory software scanner or one that can interface with the FICM module (fuel injector control module) Now you can perform injector buzz test and glow plug tests. If you can get running then also do a power balance test these test check fuel injectors statically and dynamically with the common rail oil pressure control sensor. These FICM modules are famous failure parts. Napa auto can get them.

Nov 07, 2013 | Ford F-350 Cars & Trucks

1 Answer

My Lincoln Ls died for no reason,restarted over and over but wont stay running.Tank has plenty of gas.Car has been kept in excellent condition but does have over 200,000 miles.Love my Lincoln,has been a...


You have a Fuel Delivery Pump & a second Fuel Transfer Pump
in the fuel tank
The tank is large & under the car ,under the rear seat
Have to remove the exhaust system & drive shaft

The Fuel Pump Relay --is in the Battery Junction Box (BJB) as well
as the Fuel Pump Motor Diode

There also is a (REM) Rear Electronic Module
I recall that has a variable speed pump regulator
or whatever

There are even more players there as well

Very complicated system ,that you have no way to even
start on yourself
Doubtful even a repair shop could do much

I have a 2004 LS and all the Factory Manuals & Wiring
Diagrams. Without them your done

Check fuel pressure at rail on engine Should be about 42 lbs

Aug 03, 2011 | 2003 Lincoln LS

1 Answer

I hace a 2003 lincoln ls v8 3.9l. I was driving


Try taking the exhaust pipe loose at the manifold. I had a Chevy Suburban that acted the same way, it turned out to plugged catyletic converter. The converter wasn't letting the exhaust out, the truck had no power, it would stall and then start right up and great for about five seconds the run rough and quit. Once I disconnected the exhaust it started right up and ran great. You could also try taking the O2 sensors out (for test purposes) ahead of the converter that will give the exhaust a place to go

Jan 12, 2010 | 2003 Lincoln LS

1 Answer

Starts runs realy rough then dies put new fuel


It sounds like you already solved your problem. Attach fuel gauge to fuel rail pressure line and monitor for fuel pressur (above 30 p.s.i. @ crank). If pressure low suspect pump. If pressure o.k. but dies out and pressure drops but restarts, check oil sending switch as this controls fuel pump. Computer primes pump for start, then oil sender powers up pump for normal operation. Check for oil leaking at terminals on sender. Also check plug connector at fuel sender on tank as they are known to melt and fail. If fuel not problem, check for spark as ignition module failure is common. Have obd2 diagnostic run to check for codes as this may help with diagnosis.

Dec 26, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Running rough and wants to die


Have the fuel pressure at the fuel rail checked. If you just want to throw parts at it: Fuel filter by the tank first. Fuel pressure regulator next. Order of ascending expense and likely hood. Does the fuel pump hum louder lately? The fuel pump may be on it's way out. It's not getting enough fuel to do anything but idle. Why that is takes some investigation. Somebody like Auto Zone may check your fuel pressure. If the fuel pressure is good, bad spark plug wires are the next guess. Lift the hood and run the engine in the dark (take the light bulb under the hood out if it still works to do this) If you see little lightening bolts traveling over the engine you need new plug wires. If the fuel pressure is good, the wires are good, change the spark plugs. Good Luck!

Jun 08, 2009 | 1995 Chevrolet Tahoe

2 Answers

1992 buick skylark stalls


check to see if the catalytic converter is clogged,loosen bolts at exhaust manifold if engine stays running , cat is beginning to clog

Feb 14, 2009 | 1992 Buick Skylark

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