Some vehicles may exhibit DTCs P2111, P2112 or
the idle speed drops lower than desired and / or fluctuates.
Some 2010 - 2011 Ford Focus, 2010 Edge / MKX / F - 150 / E-Series, 2010 - 2011 Flex / MKT / Taurus / MKS / Fusion and MKZ vehicles with any of the following engines: 2.0 L, 3.5 L (excluding GTDI), 3.7 L and 4.6 L 2V may exhibit DTCs P2111, P2112 or
the idle speed drops lower than desired and / or fluctuates.
If the engine
idle speed drops lower than 750 RPM, the PCM will store the P0506 diagnostic trouble code.
Not exact matches
Lift off the throttle for just a second, and the revs
drop back to near
idle speed until you get on it again, and the process repeats itself.
Though the literal power band covers most of the operating RPM range, particularly in first gear (as there is no lower gear to shift down to, and no «flat spot» in which the engine does not produce any power), the effective band changes in each gear, becoming the range limited at the upper end by either the limiter, or a point roughly located between peak power and the redline where power
drops off, and at the lower end the engine's
idling speed.
Let off the gas in fifth gear up to eighth, and the torque converter opens,
dropping the engine to
idle speed.
The engine «brake» is disengaged and engine
speed drops to
idle speed when pressure on the accelerator is released.
They can curtail power delivery so much that the engine
speed drops to
idle and the vehicle comes to a stop.
The engine has enough torque on the move and responds rapidly to throttle, but the gearing is too high for low -
speed work (
idling along in bumper - to - bumper traffic, for instance, or negotiating street corners at sensible
speed without
dropping back to first).