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Old 28-11-18, 06:02 AM   #1
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Default 407 2.0HDI rpm move up and down while driving

Well at any speed the rmp just go up and down little bit and you can hear the engine sound like you are pushing the accelerate and leave it fast, also I tried with cruise control same shit, it give code p1644
Any advice
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Old 05-12-18, 09:16 AM   #2
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sounds like it might be the throttle pedal perhaps?
mine stuck at full throttle once- scary..!
the only way to reset it, was turn off the ignition then on again ,before it stalled/needed restarting
can you scan it for potential faults? it might have a dead spot
neil
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Old 05-12-18, 10:25 AM   #3
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Hi,,,is the clutch slipping?
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Old 05-12-18, 11:12 AM   #4
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P1644 relates to the accelerator pedal.

Get it tested with Planet.

Try some contact cleaner on the pedal and contacts, but prepare to replace.

https://www.peugeotforums.com/forums...gnostic-28190/


https://www.peugeotforums.com/forums...70/#post529130
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