Engine races on my 1999 chrysler 300m at all times, what causes that?

Asked by Oct 13, 2014 at 02:34 PM about the 1999 Chrysler LHS 4 Dr STD Sedan

Question type: Maintenance & Repair

I've changed thermostat car still overheats, cooling fans work, But motor races
continually. "HELP"!!!!

2 Answers

146,225

IACV Idle Air Control.... MAP.....MAF...... massive vacuum leak.... any unmetered air will cause lean running = overheating ...or faulty o2 sensors sending wrong signal to ECU among other possible culprits. Keep an eye on your cat conv. make sure it doesn't begin to glow, and get an OBD scan

30

why do it was hot

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • Overheating 2000 Chrysler LHS 11 answers

    Lost heat in car about month ago, mechanic says gummed up blender door??? Three weeks ago car overheated for the first time in over 100,000 miles, brought it in and the mechanic tested for exhaust in ...

    2000 Chrysler LHS 4 Dr STD Sedan

    -

    Maintenance & Repair

  • why does my 2001 chrysler lhs, 3.5 run hot? 4 answers

    i can drive for a couple of days and it does fine,but sometimes the gauge will jump from normal to 3 quarters of the way to the red line and then it slowly moves to the hot range.help.

    2001 Chrysler LHS 4 Dr STD Sedan

    -

    Maintenance & Repair

  • can the cooling fans (dual) be taken apart? driver side fan has a fairly severe wobble 2 answers

    I removed the fan from the housing to see if it has a bad bearing inside, but it seems I can't take it apart... I'd like to take a look at it before giving in and replacing it. If not, can the car b...

    2000 Chrysler LHS 4 Dr STD Sedan

    -

    Maintenance & Repair

  • Is there a reset switch for after you change the battery 2 answers

    Just replaced the battery and the battery light on the dash still comes on

    2000 Chrysler LHS 4 Dr STD Sedan

    -

    Maintenance & Repair

  • milage 5 answers

    how many gallons left when gas light comes on

    1994 Chrysler LHS

    -

    General

LHS

Looking for a Used LHS in your area?

CarGurus has 95 nationwide LHS listings and the tools to find you a great deal.

ZIP:

Search Chrysler LHS Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Chrysler LHS Experts

#1 Lavinia Raven
Lavinia Raven
Reputation 100
#2 Paul Norenberg
Paul Norenberg
Reputation 90
#3 FordNut
FordNut
Reputation 80
View All

Related Models For Sale

Used Chrysler Concorde
304 listings starting at $1,995
Used Ford Taurus
317 Great Deals out of 21,656 listings starting at $1,771
Used Dodge Durango
379 Great Deals out of 22,648 listings starting at $1,500
Used Lincoln Town Car
38 Great Deals out of 2,159 listings starting at $1,995
Used Lexus LS 400
247 listings starting at $950
Used Lincoln Navigator
111 Great Deals out of 5,917 listings starting at $1,995