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Old 07-08-17, 12:20 PM   #1
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Default Rough Idle and Stalling

My car is 406 D9 2.0L 16v. It had rough idle,stalling,jerking and surging of idle. So far I replace the TPS,Stepper motor and the coolant temperature sensor. So car is more smooth and no jerking. But idle is fluctuating slightly and car stalls when try to take off and when reversing. Also car sometimes need to crank bit more to start. What might me causing this? I cannot detect any vacuum leaks also. Thanks in advance
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Old 15-08-17, 11:23 AM   #2
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Have you tested your Fuel Injectors?
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Old 16-08-17, 06:42 AM   #3
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Quote:
Originally Posted by rustybullet View Post
Have you tested your Fuel Injectors?
yes and replaced one injector
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Old 16-08-17, 06:42 AM   #4
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Quote:
Originally Posted by rustybullet View Post
Have you tested your Fuel Injectors?
yes and I replaced one injector
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Old 16-08-17, 07:07 PM   #5
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Check that the throttle position sensor is set and working properly.
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Old 17-08-17, 08:44 AM   #6
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Has the car had a full service?
(New Plugs, filters etc.)

Have you tried the COIL PACK?
Also have you checked FUEL PUMP?
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Old 17-08-17, 12:39 PM   #7
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Buy Auto Diagnostics tool online and do diagnostics.
You can buy one that works on a notebook for $8.
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Old 26-08-17, 01:39 PM   #8
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Default will this work on 406?

Quote:
Originally Posted by rustybullet View Post
Buy Auto Diagnostics tool online and do diagnostics.
You can buy one that works on a notebook for $8.
will this work on 406?
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Old 27-08-17, 09:06 AM   #9
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They say so but I would double check with them first.

Last edited by rustybullet; 27-08-17 at 09:09 AM.
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Old 01-09-17, 03:04 PM   #10
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Default Diagnostic tool

I have checked and the seller confirms that the USB ELM327 Auto Diagnostics tool will work on the Peugeot 406 (petrol) 2001 model and later.
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