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Author Topic: 3.2 still a little unhappy  (Read 16953 times)

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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #135 on: 12 April 2011, 14:09:51 »
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Are we certain that the coil packs are firing at max volts?

Nope - how best to test this Mr DTM?

I actually dropped the 1-3-5 coil pack when doing the stat change  :-[ - knocked it off the wing.

(I popped them both out, looking for oil in the wells) - but no misfire apparent on putting all back together.


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Kevin Wood

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Re: 3.2 still a little unhappy
« Reply #136 on: 12 April 2011, 14:14:37 »
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There are a lot of 'invalid' for Throttle position, which Ive never seen before...

Wonder if its worth trying a different TPS  :-/

Well spotted. :y There seems to be some correlation between that and the occurrence of knock control too. Odd that it doesn't raise any fault codes for that but we could be onto something (or we have 2 faults that are related i.e. a wiring problem is affecting both sensors).

Shame the 2nd TPS sensor is not logged so we can compare the two. :-/

Kevin
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #137 on: 12 April 2011, 14:18:20 »
I'm not sure if this makes ANY difference, but my DBW plug, from the loom, that connects to the throttle assembly, does not 'click' home, and is easily pulled out.

Cable tie around this, worth trying? Long shot, but...  :-/
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #138 on: 12 April 2011, 14:19:14 »
Being DBW, does it have a 'TPS' in the usual sense? Is is not just taken from pedal position?
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Jimbob

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Re: 3.2 still a little unhappy
« Reply #139 on: 12 April 2011, 14:20:12 »
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Being DBW, does it have a 'TPS' in the usual sense? Is is not just taken from pedal position?


one on pedal
one on throttle body iirc
« Last Edit: 12 April 2011, 14:20:31 by jimbob »
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Jimbob

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Re: 3.2 still a little unhappy
« Reply #140 on: 12 April 2011, 14:21:32 »
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I'm not sure if this makes ANY difference, but my DBW plug, from the loom, that connects to the throttle assembly, does not 'click' home, and is easily pulled out.

Cable tie around this, worth trying? Long shot, but...  :-/


Think you may be getting close.....give it a good clean and try and get a good connection.

Im getting the little fella from school in a hour, live data on my return  :y
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #141 on: 12 April 2011, 14:26:31 »
You're a Star, JB. Will look forward very much to the comparison. 


And of course will try the suggestions tonight!

:)

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Kevin Wood

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Re: 3.2 still a little unhappy
« Reply #142 on: 12 April 2011, 14:32:34 »
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Quote
Being DBW, does it have a 'TPS' in the usual sense? Is is not just taken from pedal position?


one on pedal
one on throttle body iirc

There are actually 2 channels of TPS on each, with different responses, so they each generate a different voltage to represent the same position. The two are compared by the ECU to determine if the reading is consistent and only if they are is the reading used.

Otherwise, the TPS should go into limp-home and limit you to 1500 RPM or something silly.

Still, be interesting to see if the connector helps. :y

Kevin
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #143 on: 12 April 2011, 14:34:25 »
Mine is useless, I'm tempted to get a known good connector from a breaker, with a good length of loom, and solder/heatshrink the connections  :-/
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feeutfo

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Re: 3.2 still a little unhappy
« Reply #144 on: 12 April 2011, 14:38:53 »
That clip often breaks. Can the plug on the loom end not come apart? They usually clip together....?   :D
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Kevin Wood

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Re: 3.2 still a little unhappy
« Reply #145 on: 12 April 2011, 14:40:20 »
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Mine is useless, I'm tempted to get a known good connector from a breaker, with a good length of loom, and solder/heatshrink the connections  :-/

Albs is yer man. :y
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #146 on: 12 April 2011, 14:51:13 »
Yes, Albs, is yours in good nick, on your breaker, if so, shall I send you another cheque?  ;D
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albitz

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Re: 3.2 still a little unhappy
« Reply #147 on: 12 April 2011, 15:26:37 »
Are we talking about the plug that goes into the throttle bodies ? :-/
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JamesV6CDX

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Re: 3.2 still a little unhappy
« Reply #148 on: 12 April 2011, 15:31:00 »
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Are we talking about the plug that goes into the throttle bodies ? :-/

Yep :y
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albitz

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Re: 3.2 still a little unhappy
« Reply #149 on: 12 April 2011, 15:33:23 »
Just checked it - clips intact. :y have uncovered it back to where it goes into the main loom. Approx 18 inches. Shall I just snip it off there ?
Did someone mention another tps at the throttle pedal ?
Worth having that as well ? :-/
« Last Edit: 12 April 2011, 15:36:06 by albitz »
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