Question about 2001 Dodge Neon

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P1299 has trouble starting when engine gets warmed up

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The code means the computer thinks the engine has overheated based on the reading from the engine temp sensor. The engine could have overheated, or be low on coolant, or the sensor may have failed.

Posted on Dec 09, 2012

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Posted on Jan 02, 2017

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My 2002 Jeep Liberty check engine light comes on and experience loss of power code P1299


P1299 Engine unable to reach correct/target idle speed.

Possible causes are in most cases an engine vacuum leak.

Nov 22, 2016 | 2002 Jeep Liberty

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Cooling problem,code#P1299,on a 06 Ford Escape 2.3l


P1299 - Cylinder Head Over Temperature Protection Active Description: Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM strategy called fail-safe cooling was activated to cool the engine. Possible Causes:
  • Engine cooling system concerns
  • Low engine coolant level
  • Base engine concerns
Diagnostic Aids: Refer to Section 1, Powertrain Control Software , for more information on the fail-safe cooling strategy and cylinder head temperature sensor. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DL .


Feb 19, 2015 | 2006 Ford Escape

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What does it mean, p0442 trouble code & p1299, 2000 Lincoln Ls


p1299 cylinder head protection activated running hot- po442 small leak detected in the evap system or gas cap loose

Apr 28, 2014 | 2000 Lincoln LS

1 Answer

P1299 error code



Trouble Code: P1299

Cylinder Head Over-Temperature Protection Active
Possible Causes:


Cooling system has a problem Engine coolant level is too low A Base Engine problem may be present TSB 10-29-1 contains repair help for this code (LS & T-Bird)

May 08, 2012 | 2000 Mercury Grand Marquis

1 Answer

P1299 code after replacing the plenum gasket. Rough and sometimes erratic idle.


This code indicates a large vacuum leak. You can sometimes find a leaky gasket by spraying ether on the gaskets while the engine idles. If the engine changes speed while the gasket is sprayed, you have found the leak.

Jun 24, 2017 | 1999 Chrysler 300M

1 Answer

I have a 2001 lincoln ls and it shows p1299 code , but when you start it ,it shakes and makes a noise like the engine is tearing up . The p1299 code is for the dual coolant control valve. What could be...


PO 1299 --Cylinder Head Over Temperature Protection Active

You have 2 Fail Safes

1 for Temp
1 for ETC (electronic throttle control)

Check out the daul coolant valve, you seem to
be aware of, for some reason

The 2000 thru 2002 & later 03 to 06 LS are different,
as are the V6 & V8's in several design features

Jul 13, 2011 | 2001 Lincoln LS

1 Answer

What do trouble code,s p0962 p1299 & p128a mean?


P0962 Pressure Control Solenoid "A" Control Circuit Low

P1299 Vacuum Leak Found (IAC Fully Seated)(Chrysler, Jeep) P1299 Cylinder Head Over Temperature Protection Active (Ford) (Make and model of car needed as these are manufacturer specific)

P128A Cylinder Head Temperature Sensor Circuit Intermittent/Erratic

Dec 05, 2010 | Ford F-250 Cars & Trucks

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What does the code p1299 means. thats the ode it gave the check engine light is on.


code P1299 fuel and air metering. Auto zone gave me a print out that said something about the engine over heating or failing engine temp sensor. Replace the thermostat.

Sep 12, 2010 | 2000 Ford Expedition

1 Answer

Trouble code p1299


Well this is an oldie, but your code is cylinder head overtemperature protection active. countrycurt0



Jul 06, 2008 | 1997 Ford Expedition

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