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Author Topic: 2.2 with P0170 code  (Read 5656 times)

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VXL V6

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Re: 2.2 with P0170 code
« Reply #15 on: 27 March 2009, 09:05:07 »
Quote
What was the coolant temp reading?


It not lambda sensor as the ECU is reporting it as open loop control!

Also, what was the throttle position reported to be and the inlet air temp?

Did look at that but didn't save the screen  ::)

Can have another look at some point.
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Welung666

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Re: 2.2 with P0170 code
« Reply #16 on: 30 March 2009, 11:29:22 »
Well warmed it up just now and unplugged the MAF, made little/no difference apart from putting the spanner light on ;D Any more ideas or do we need to re-read to get the TPS position and inlet temp do you think?
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Welung666

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Re: 2.2 with P0170 code
« Reply #17 on: 31 March 2009, 16:42:01 »
You have a PM VXL :y
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Krax

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Re: 2.2 with P0170 code
« Reply #18 on: 31 March 2009, 19:33:06 »
On my car was the error, P0170, ECU and MAF. I had changed before the MAF and lambda, but the error was ECU. If the ECU is broken, it will result felt broken MAF.
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Welung666

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Re: 2.2 with P0170 code
« Reply #19 on: 01 April 2009, 21:05:03 »
Mark DTM did you get my PM the other day?
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Marks DTM Calib

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Re: 2.2 with P0170 code
« Reply #20 on: 02 April 2009, 15:48:19 »
Right, we want to see.

Engine rpm
Coolant temp
Air temp
O2 loop status (closed/open)
Throttle position
MAF
And any current block learn/adaption values.
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Welung666

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Re: 2.2 with P0170 code
« Reply #21 on: 04 April 2009, 21:51:02 »
I'll get on to VXL and sort tat all out for you. Going to remove and check the exhaust manifold tomorrow and fit new gaskets as well :y
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Welung666

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Re: 2.2 with P0170 code
« Reply #22 on: 07 April 2009, 19:40:18 »
Once again VXL V6 has been a star and come over to help with this bl00dy 2.2....

Right some readings....

From cold startup:-

RPM = 796
Coolant Temp = 63 degC??????
Air Intake Temp = 14 degC
02 loop = Closed
TPS = Idle
MAF = 11 kg/h (0.71v)

Up to temp:-

RPM = 803
Coolant Temp = 90 degC
Air Intake Temp = 23 degC
02 loop = Open
TPS = Idle
MAF = 10 kg/h (0.63v)

Hot and revs:-

RPM = 2500
Coolant Temp = 99 degC
Air Intake Temp = 28 degC
02 loop = Open
TPS = Partial Load
MAF = 32 kg/h (1.6v)

Afterwards shows codes:-

P0130 02 Sensor 1
P0170 Lean Exhaust

If you rev it gently up to and past 2000 rpm it flutters as it passes through the 2k rev range (I say flutters because it's not like a miss)

Over to you Mr MDTM :y
« Last Edit: 07 April 2009, 19:42:17 by Welung666 »
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VXL V6

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Re: 2.2 with P0170 code
« Reply #23 on: 07 April 2009, 20:38:46 »
Cold Engine:-



Warm Engine:-



O2 Sensors (Warm Engine):-


Sensor readings:-


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Welung666

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Re: 2.2 with P0170 code
« Reply #24 on: 07 April 2009, 21:49:22 »
Thanks for that VXL :y
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Marks DTM Calib

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Re: 2.2 with P0170 code
« Reply #25 on: 07 April 2009, 21:51:36 »
Lambda sensor goosed.....rare fault.

Check the wires and connector first
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VXL V6

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Re: 2.2 with P0170 code
« Reply #26 on: 07 April 2009, 21:52:38 »
Quote
Lambda sensor goosed.....rare fault.

Check the wires and connector first

Both of them? (2 on a 2.2)
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Marks DTM Calib

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Re: 2.2 with P0170 code
« Reply #27 on: 07 April 2009, 21:52:40 »
Wow, hold that thought....

Has the cat been off?
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VXL V6

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Re: 2.2 with P0170 code
« Reply #28 on: 07 April 2009, 21:57:08 »
I think lee has done some welding up of the exhaust.  :-/
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Marks DTM Calib

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Re: 2.2 with P0170 code
« Reply #29 on: 07 April 2009, 22:00:14 »
Right.....have we checked the 02 sensors are connected up correctly....i.e the right ones to the right connectors?
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