P0340 on the 2000 Mercury Mountaineer
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 870197 | 2003-03-25. Service bulletin. INCORRECTLY INSTALLED GEAR DRIVEN CAMSHAFT POSITION (CMP) SENSOR SYNCHRONIZER ASSEMBLIES CAUSING SURGE, LOST OF POWER, MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODES P1336, P1309 AND P0340. *TT |
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| 13340 | 2000-04-04. Service bulletin. EXHIBITING A MISS / ROUGH IDLE WITH THE MALFUNCTION INDICATOR LIGHT (MIL) ON AND DTC P0340 IN SELF TEST. *TT |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.