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 Posted: Thu Dec 29, 2011 9:20 am |
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Joined: Jul 25, 2011
Posts: 6
Trade Rating: 0
Location: Serbia
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Hi guys, I'm new at this forum, and I registered to see what you guys think about my problem.
Anyway, I own 1.4i 75hp 206, produced in 2006.
Problem is, when I start the car, I hit the gas pedal and instead of making revs go higher, engine first makes them lower! So it goes like this: I start the engine, wait for a few seconds, then just for a brief moment I hit the gas and release it, and revs first go down (for, say, 150rpm) and THEN go up without problem. In some cases, if I hit the gas for too long, engine goes off! (when engine's cold)
Besides that, engine's responding too late in casual driving.. It's like it is hesitating.
My regular garage-man told me that perhaps it could be lambda sensor... Other than that, he has no clue. (no problems found on diagnostics whatsoever).
And I have found out that cleaning of stepper motor, throttle body and MAP sensor may help !!?? And maybe, ECU update..?
So, what do you guys think of it ?
Thanks
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Posted: Thu Dec 29, 2011 10:02 am |
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Joined: Mar 03, 2010
Posts: 2636
Trade Rating: +11
Location: Black Country Ay I
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Does your engine have an electric throttle body? If so, you will not have a idle control valve
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Posted: Thu Dec 29, 2011 10:21 am |
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Joined: Jul 25, 2011
Posts: 6
Trade Rating: 0
Location: Serbia
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I'm not quite sure what makes throttle body electric, but I have "drive by wire" if that's what you mean...
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Posted: Thu Dec 29, 2011 10:26 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| marko.rebric wrote: |
| I'm not quite sure what makes throttle body electric, but I have "drive by wire" if that's what you mean... |
Then you have an electronic throttle body 
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Thu Dec 29, 2011 10:28 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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ECU needs updating.
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Posted: Thu Dec 29, 2011 10:32 am |
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Joined: Jul 25, 2011
Posts: 6
Trade Rating: 0
Location: Serbia
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Posted: Thu Dec 29, 2011 10:40 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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A software bug in the engine ecu.
Peugeot main dealer time & get the software updated
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Thu Dec 29, 2011 11:11 am |
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Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax
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A mate of mine had a Clio with a similar issue. It had an electronic throttle and would only rev down until it stalled. Cable all the way.
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Posted: Thu Dec 29, 2011 11:16 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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Nothing wrong with fly by wire throttles if the software is written correctly.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Thu Dec 29, 2011 11:22 am |
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Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax
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Chances are cable is not going to fail though and its more responsive from what I have heard. Also its harder to identify a noise when you can't adjust the throttle from the engine bay.
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Posted: Thu Dec 29, 2011 4:08 pm |
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Joined: Jul 25, 2011
Posts: 6
Trade Rating: 0
Location: Serbia
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So, the bottom line is ECU update...? But cleaning other things I mentioned would do no harm ? 
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Posted: Thu Dec 29, 2011 4:46 pm |
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Joined: Mar 03, 2010
Posts: 2636
Trade Rating: +11
Location: Black Country Ay I
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Yes, I had a similar problem, visit to main dealer for an update and it was solved
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