Question about 1998 Lincoln Town Car

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I just bought a used engine for my 1988 lincoln and its reading history codes of 91, 41, and 34. What are these codes

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91 (engine running) heated oxygen sensor indicates system lean, left side
91 ( cont. memory) no heated oxygen sensor switching indicated, left side.
41 (engine running) lean right side.
41(cont. memory) no heated oxygen sensor switch,right side.
34 egr valve pressure transducer/position sensor sonic voltage above closed limit.
(tech. manual Haynes #59010)

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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What does e52 mean


E52=memory (history) has been lost.try ERASE all your codes and see if any come back.1.turn Ignition ON, Engine OFF.2. Push and hold the OFF and WARMER buttons until all the segments on the display illuminate and as soon as the codes start to appear, Push the OFF and HI buttons and release them until you see .7.0.
3. Turn ignition OFF.

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The car wont stay running it dies as if someone turned the key i checked everything electrical. what else could it be??


Is the check engine light on? If it is get the codes read. It also could be a bad vacume line off the fuel injector.

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99 Lincoln Navigator


There are a couple of parts you can try and if they have not coded on the cars computer, a dealer may be able to look at service bulletins. There is a differential speed sensor and an antilock brake sensor. You can have locking clutch paks and may require a special additive. An old fashion U-joint can vibrate under load.

The good news is with a Vin# the dealer can pull up the entire service history if the car was serviced under warranty or in a Ford dealer anywhere. They just do not want you to know the past owner.

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What oil grade?


that weight oil will be sufficient but use high mileage like castrol high mileage of same weight for more protection

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Can I put a Ford 460 engine into my 1988 Lincoln Mark VII?


Technically it will fit, if you dont like having a hood. But again. Stick with the trusty 302, Toss a Novi 1000 on it, and enjoy.

Apr 26, 2009 | 1988 Lincoln Mark VII

1 Answer

1988 mark 7 color code for sound system


1986-89 Lincoln Mark VII Stereo Wiring Constant 12V+ Green/Yellow Switched 12V+ Yellow/Black Ground Red Illumination Blue/Red Dimmer n/a Antenna Trigger Orange/Blue Antenna Right Rear Front Speakers 6 1/2" Doors Left Front (+) Orange/Green Left Front (-) Black/White Right Front (+) Pink/Blue Right Front (-) Black/White Rear Speakers 6" x 9" Rear Deck Left Rear (+) Pink/Green Left Rear (-) Blue/Orange Right Rear (+) Pink/Blue Right Rear (-) Green/Orange

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98 Lincoln TC,Cold starts fine ,runs good until warm, then shuts off. No codes,Cranks ok, have spark, PATS ok. No fuel pressure, cant hear fuel pump prime,New Fuel relay. jumped fuel pump - works. I do not hear fuel pump prime up, do not have fuel gauge, but pressing on valve in fuel rail- no pressurized fuel. Fuel regulator seems ok, not leaking / vacuum line dry as a bone. If I let it set for 15 min , it will start up again, but for a few minutes then dies out. If I let it set overnight it starts up perfectly and runs until operating temp is reached then stalls/stumbles, and shuts down. Vacuum is good while cranking, even with no start, Checked Inertia switch in trunk, it is not tripped. I have seen Ford TSB summaries' that mention issues like this , but I am not able to see to description. A point to add, the MAF sensor was cleaned, then I decided to replace it and did not make a difference. I do not have any stored codes, and the PATS is working fine, typical 2 second flash from and once key is inserted a 3 second steady light, then disappears. I have seen the TSB mentioning C103 Connector, it looks fine, I swapped out fuel pump relay with ac relay, still no difference.mention of wires around battery, do not know where to start. in dash service engine light and odometer is normal, seen other posts the say they only have lines, but mine is ok. the start of all of this , I washed engine with regular garden hose, ( not using pressure washer).also in the mean time, rear window defroster stopped working as well, can not say for same reason, but a mention.My problem started after washing engine. this is one of four Panther platform vehicles I owned with exact 4.6l w code engine, which I rinced down before. The only sensor I can think of is Oil pressure , or a corroded wire

Feb 27, 2017 | 1998 Lincoln Town Car

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