Question about 1998 Lincoln Town Car

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REPLACED PLUGS AND BAD COIL PACKS ON 1998 LINCOLN TOWNCAR. STILL MISFIRING, WHAT SHOULD I DO NEXT?

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You should either do a compressio test on all of the cylinders or take it and get it scannred for codes to see if the right coils were replaced

Posted on Nov 11, 2010

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Posted on Jan 02, 2017

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1 Answer

The car is misfiring


you need to determine what cylinder is misfiring first then do compression and leakdown test if the parts you put in are in correct misfiring cylinder you possably have a bad valve or burnt piston

Aug 28, 2012 | 1998 Pontiac Grand Am

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My 93 towncar runs rough cold. it backfires up through intake i replaced plugs, wires and one coil pack, coolant sensor. i read codes 226 and 542. it runs ok warm, but can still hear misfiring, it feels...


YOU HAVE INTAKE MANIFOLD LEAK ALSO COULD HAVE BAD OR STICKING INTAKE VALVES. CODE PO 226 IDM SIGNAL NOT RECEIVED AND CODE PO 542 FUEL PUMP SECONDARY CIRCUIT.

Mar 12, 2011 | 1993 Lincoln Town Car

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2004 Jetta 1.8T started idling rough at low rpm, OBD says random misfire....


spark plugs? either current ones are bad, or maybe you replaced recently with incorrect ones (most autoparts stores don't have the right plugs for 1.8T...need to go to dealer or ecstuning.com)
-or-
coil packs?
the OBD scan should tell you what cylinder is misfiring. try swapping the coil packs around and see if the misfire moves. if it does, then replace the bad coil pack (might just want to do all 4). if not, trying swapping the plugs around...same idea.

Feb 26, 2011 | 2004 Volkswagen Jetta

2 Answers

Cylender number 1 misfire,


Do a complete tune up.. Spark plugs, wires, distributor cap, and rotor button... If it has coil packs that sit on top of the spark plugs.. Replace the spark plugs and cylinder number one coil

Feb 15, 2011 | 1998 Nissan 200SX

1 Answer

I have a 19996 lincoln towncar, which deaccelerates (driving at 75mph, then drops to 55mph, while I'm pressing on the gas). It also, hesitates at startup. How do I fix this issue? I have done the following...


try wires or ur coil packs very important these go often really a headache good luck,or idle air control valve,or purge valve these control hesitation and acceleration too. good luck

Apr 24, 2010 | 1996 Lincoln Town Car

1 Answer

Got codes that say im misfiring on 3,4,and 6 all at once. no previous problems. changed plugs, whats next


check your coil packs, my 2000 did the same thing but only on one. take coil packs off and relocate them to new plugs, clear codes and recheck to see if missfire "follows" moving coil pack

Feb 17, 2010 | 2000 Toyota Tundra

1 Answer

My 1998 lincoln navigator starts but shuts off emmediately, will only stay on if accelerating.


Most likely the throttle position sensor is bad. If it is idling weird and misfiring and barely running while accelerating, then the coil packs may be bad and you should check each cylinder for spark. Let me know if you have any more questions. Do check for vacuum leaks as well. Is your check engine light on? If so, you should have your engine codes read to pinpoint exact problem

Sep 17, 2009 | 1998 Lincoln Navigator

1 Answer

1998 Mark VIII Cold Natured and Hard to Stay Started


Check fuel pressure at idle it should be 30psi. Check coil packs and boots for tears. If euip: Check coil packs with a volt meter should read I think was 5-7 volts or resist ens. Also check the spark plugs its probably still got all the factory stuff on it unless you change it. Let me know I had a 98 Continetal and some of the coil packs and boots on the coil packs where bad after fixing that the car was one of the best car's I have ever owned. Until someone ran into it doing 65mph.

Apr 02, 2009 | 1998 Lincoln Mark VIII

1 Answer

Where are the plugs on lincoln navigator 1998


They are under the coil packs. You will need an 8mm socket to remove the bolt on each coil pack then remove them to access spark plugs.

Feb 25, 2009 | 1998 Lincoln Navigator

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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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