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 Posted: Tue Dec 09, 2014 2:35 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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I hope you've got uprated engine mounts with that manifold.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Dec 09, 2014 3:07 pm |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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Back from the cold
I connected the downstream sensor (after the cat) with the upstream plug and got a Reading in PP, that looks more correct than with the original upstream sensor, it changes more frequent and the top is 900mV.
So i need a new upstream sensor.
The plug from the upstream sensor didnt fit in the downstream plug
And i must have a broken wire somewhere between the connection and the ecu 
What is the downstream used for it dosnt seem to make any readings but engine light dosnt go on and there are no errors?
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
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Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Tue Dec 09, 2014 4:29 pm |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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| Edward wrote: |
| I hope you've got uprated engine mounts with that manifold. |
I did, actually i think that it was a post from you in the past that made me decide for the maniflow exhaust 
Do you have issues with High CO?
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Thu Dec 11, 2014 11:16 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Down stream is to check your CAT is doing its job. Don't be too quick to take the results to show upstream sensor is needed. The two lambdas will be slightly different so swapping them may cause the lambda, when used in a different exhaust position, to behave slightly differently.
Also some CATs (not all) need burst of the engine running lean to ensure the CAT works correctly and that is also part of the monitoring.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Thu Dec 11, 2014 11:58 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Are you checking the lambda sensor when the engine is cold? I don't think the sensor is used until maybe 70 degrees.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Thu Dec 11, 2014 1:31 pm |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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| Edward wrote: |
| Are you checking the lambda sensor when the engine is cold? I don't think the sensor is used until maybe 70 degrees. |
Only the last test to see if it could register anything with the other sensor
With pp2000 ready on a cold car, the upstream sensor Will show a constant around 900mV for 30-60sec i guess that during this process the sensor is heatet up? After this it Will start to shift between High and low.
I am not sure that pp2000 is the best method for testing the lamba, it seems a little sluggish when updating the screen, an oscilloscope would be better?
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Thu Dec 11, 2014 1:36 pm |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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| kandlbarrett wrote: |
Down stream is to check your CAT is doing its job. Don't be too quick to take the results to show upstream sensor is needed. The two lambdas will be slightly different so swapping them may cause the lambda, when used in a different exhaust position, to behave slightly differently.
Also some CATs (not all) need burst of the engine running lean to ensure the CAT works correctly and that is also part of the monitoring. |
Great so i need to have pp2000 with me in the car to verify.
I changed the upstream sensor today, and moved it so now it Will get gas from all 4 cylinders.
The CO tester at the local do it your self garage was broken so haven't testet yet
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Thu Dec 11, 2014 2:03 pm |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Engine idle speed looks a little low?
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Posted: Tue Dec 16, 2014 10:31 am |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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Got a new laptop with pp2000 and took the car for a run
Outside temp 5C
Car was cold when starting, coolant temp in PP started at 56C after a 10-15 min run PP where at 42C?
Then Dashboard temp gauge Said 90C and the fan started....
If the ecu never get a coolant temp of 80C an above Will it then keeper running Rich?
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Tue Dec 16, 2014 10:53 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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You probably have two sensors. One for ECU and fueling. The second for gauge temp. Haynes manual is very good on this point of what sensors do what.
Time to try a swap of the sensor that sends its signal to the ECU.
Depending on how long you have been running rich, if that is the problem, your CAT my now be knackered - they don't like excess fuel and it will destroy them.
I do still have a niggling doubt about running rich as the first sensor is still switching though slowly.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Wed Dec 17, 2014 10:02 am |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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| kandlbarrett wrote: |
You probably have two sensors. One for ECU and fueling. The second for gauge temp. Haynes manual is very good on this point of what sensors do what.
Time to try a swap of the sensor that sends its signal to the ECU.
Depending on how long you have been running rich, if that is the problem, your CAT my now be knackered - they don't like excess fuel and it will destroy them.
I do still have a niggling doubt about running rich as the first sensor is still switching though slowly. |
I have tried changing the coolant temp sensor, the resultat is the same,
how reliable is the Pp2000 "china" model, would it make sense to try another obd box?
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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Posted: Wed Dec 17, 2014 2:39 pm |
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Joined: Jan 13, 2013
Posts: 46
Trade Rating: 0
Location: Denmark
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| 206 GTi 2.0 2000 Trackday+ Daily
205 GTi 1.9 1987 Project
Citroen C4 Grand Picasso 2.0 VTR+ E6G 2008 Family car
---------------------------------------
Old cars
Mazda 3 1.6 16v Diesel 2008 - Peugeot 405 1.9 Diesel 1989 - Peugeot 309 1.4 Kick 1991 - Vw Polo 1.3 HIT 1986 - Mazda 626 1.8 1988 - Peugeot 205 GTI Project car - Ford Escort 1.6 16v 1996 - Peugeot 205 1.4 XR | |
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