Question about 1999 Lincoln Continental

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Lincoln LS. Engine runs at 2500 rpms without touching the throttle. Any ideas what is the problem?

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Chech for vacume leak if no leak found check air idle solonoid sametime if u tape on it idle will drop down if did replace air idle solonoid

Posted on Feb 04, 2010

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Have the tps voltage checked

Posted on Feb 04, 2010

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Why do the rpms stop between 2500-5000 on a 2002 Lincoln LS


There are a few reasons to limit RPM which can be a "Limp home" mode activating. But most show a code of some sort with a dash light. Another area is the automatic braking for the "Traction control" which in some models can also have a control to throttle the engine down to prevent wheel slippage.

Blocked catalytic converters can limit RPM by choking the exhaust flow. You have crankshaft and camshaft sensors which count the RPM and send signals to the brain and the fuelpump. Your crankshaft sensor regulates the fuel pressure and if it miscounts, the engine can be fuel starved.

Not all scanners are the same. One that reports fuel pressure while simultaneously reporting RPM would be something to know for fuel starvation.

You can kind of eliminate some possibilities by whether "Check engine" or "Traction control" warnings are on.

Feb 04, 2015 | 2002 Lincoln LS

1 Answer

2000 lincoln ls will run high on rpms without kicking into gear...sometimes it will kick in while car is reving in the 2 or 3000 range and it will buck...other times i can be going 60 and it will fall out...


The first thing to check is the fluid level in the transmission. If quite low, look for red leakage on the floor where you park. Suggest you find a quality auto transmission shop to check this out before you require very expensive service. Good luck!

Nov 12, 2010 | 2000 Lincoln LS

1 Answer

After car is accelerating to speed the rpms will not come down to idle after decelatering


It was not clear that the engine returned to idle. Lift the hood and manually move the throttle linkage and check for binding or maybe a possible broken spring on the throttle linkage.

Sep 17, 2010 | 2000 Lincoln LS

1 Answer

05 Lincoln LS 3.0 V6. Outside air temp 32F. Idle decay when cold


This sounds like you have a pcv hose that has become an open vacuum leak. It is located under the upper intake, or given the year your air filter box may not be correctly sealed and possibly have a mass air flow sensor concern. Any Check engine light or codes to work with ? I f you have further questions just leave a comment on my page,

Jan 10, 2010 | 2001 Lincoln LS

1 Answer

I have a 2003 Lincoln LS v8 The check Transmission light is on, the E synbol instead of D5 or D4 is indicated in the left dash. The car Shifts really hard into second gear after whinding first gear to like...


HAVE A 03 LINCOLN LS V8 WITH A CVT TANSMITTION AND I AM HAVING THE SAME PROBLEM. MY CAR IS WHINDING UP TO 2500 RPM'S BEFORE SHIFTNG INTO SECOND GEAR AND IS READING AN "E" AS WELL DID U FINDA SOLUTION?

Sep 24, 2009 | 2002 Lincoln LS

2 Answers

What is the function of the idle speed control valve?


The idle air control (IAC) valve assembly on a combustible engine monitors and manipulates the amount of controlled air moving around the throttle plate. The IAC valve is managed by the electronic control module (ECM) of the engine, which calculates the position of the IAC valve. Voltage pulses called counts extend and retract an internal conical-tipped shaft called a pintle inside the IAC valve. When the pintle is extended, the cone-shaped tip positions itself closer to the air inlet and restricts the amount of air allowed to pass through the throttle, building up more air around the throttle plate to increase the rpms of the engine. When the pintle is retracted, it moves away from the inlet and allows more air into the throttle away from the throttle plate, decreasing the rpms. The IAC valve operates and adjusts constantly while the engine is running to help prevent the engine from stalling or surging. This will not cause the engine to misfire!! Hopefully this helps

Aug 21, 2009 | 2002 Lincoln LS

1 Answer

2002 lincoln ls idiling strange. Rpms go up and down.


try replacing throttle position sensor

May 28, 2009 | 2001 Lincoln LS

1 Answer

I have a 2003 Lincoln LS and it wont go over 3000 rpms


this car has a limiter on it so the engine wont go over 3000 rpms in park or neutral

Apr 19, 2009 | 2003 Lincoln LS

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