2017 Custom Ecoblue cold start issue - the project

[metalworker0]

well good luck with that - cant even find it on the parts diagrams

and search scv 2.0 ecoblue brings up nothing on ebay

is it part of something else or is it simply not called an scv on the ecoblue

if i could read that number on the side of it ..it would help to id it

all the best.mark

[C777L]

Looks like it’s part of the fuel pipe

http://www.catcar.info/ford/?lang=en&l= ... MSsxMzM%3D

Still trying to work out what it’s designed to do and how to read it on forscan

[APW]

Fuel Pressure Sensor... I beleive the part number is 81CP38-01

.... including the housing and pipe its GK2Q-9J280-AD

[metalworker0]

[quote="C777L"]Looks like it’s part of the fuel pipe

http://www.catcar.info/ford/?lang=en&l= ... MSsxMzM%3D

part number is
2011884
and note, cannot be found on ebay with that number

but this number 2338049 cross references to GK2Q-9J280-AD metioned by APW, but is somehow
is advertised as mk1.

you have some chances to take

all the best.mark

[C777L]

Replaced the SCV and fuel pipe part.

http://www.catcar.info/ford/?lang=en&l= ... MSsxMzM%3D

No difference so running out of fault codes and options!

So the only tangible change (sensor on the link above 9J280) is unplugging this and it fires up from cold but at higher rpm BUT it will cut out unannounced after a hour or so’s driving.

Going to take it for another drive and run forscan when it cuts out.

Any live data I should look at?

[C777L]

Just uploaded a video to make it easier to see:

https://youtube.com/shorts/cM90AiTxMZs? ... PHWbUf0sXB

[metalworker0]

NOTE - As i'm the only one here answering - no one else is joining in! ..and admitting non or little experience with this fault ..meaning learning as we go . i try my best to help

You say the sensor that you disconnect is the scv, you say you've replaced that and still no joy.

So either other systems work in conjuration with it (remembering the minus -40 fault for intake temperature)

or you've bought a Chinese one that does not work out of the box

Me not knowing much about this device, lead me to point you to the mk6/7 forum ..as that's where all the talk is about this device ..not here in the custom forum.

so assuming you could not find the info there - like you said ..

I turned to Google

GOOGLE AI says

To test a Ford Transit's Suction Control Valve (SCV), you can perform electrical and physical inspections. Check the valve's resistance, inspect for damage or corrosion, and test its functionality by applying vacuum and observing its movement.
Here's a more detailed breakdown:

1. Electrical Inspection:
Disconnect the SCV connector: This isolates the valve from the rest of the system.
Measure resistance: Use a multimeter to check the resistance between the SCV terminals. The standard value is typically around 2.1 ohms at 20°C, but consult your specific vehicle's manual for the exact specification, according to mycar.com.au.
Check for shorts or opens: If the resistance is outside the specified range, it indicates a problem with the SCV's electrical components.

2. Physical Inspection:
Inspect for damage: Look for any signs of physical damage, such as cracks, dents, or corrosion on the SCV body.
Check for proper seating: Ensure the SCV is properly seated and secured in its mounting location.

[b]3. Functional Testing:
Apply vacuum:[/b]
Connect a vacuum gauge to the SCV and apply vacuum to see if the valve opens and closes as expected, says the YouTube video.

Duty cycle test:
If available, use a scan tool to apply a duty cycle signal to the SCV. The valve should open and close in response to the signal.

Symptoms of a faulty SCV:
Rough engine running, Acceleration issues, Reduced power, Poor fuel economy, and No start condition

ME - it mentions vacuum ....but in the pictures of said item, i don't see a vacuum take off ..what it means i don't know ?. meaning a vacuum - to what ?.. to where?

Google AI again with question "(SCV) transit ecoblue intake temperature" ...

The intake air temperature in a Ford Transit 2.0 EcoBlue engine, particularly concerning the Suction Control Valve (SCV), is a critical factor for engine performance. The SCV regulates fuel pressure, and the intake air temperature sensor (IAT) provides data to the engine control unit (ECU) to optimize the air-fuel mixture. Deviations in intake air temperature can lead to various issues, including rough running, reduced power, and poor fuel economy.

Intake Air Temperature and the SCV:
SCV Function:
The Suction Control Valve (SCV) regulates fuel pressure within the fuel pump. It is crucial for proper engine operation.

IAT Sensor Role:
The Intake Air Temperature (IAT) sensor measures the temperature of the air entering the engine.

ECU Optimization:
The ECU uses the IAT sensor data to determine the optimal air-fuel mixture for combustion.
Temperature Impact:
Hot air is less dense, impacting engine power and efficiency, while cold air is denser, enhancing performance.

Potential Issues:
P0127 Code:
Indicates "Intake Air Temperature Too High", suggesting a problem with the IAT sensor or related components.

P0113 Code:
Indicates "Intake Air Temperature Sensor 1 Circuit High Input", meaning the ECU is receiving a higher than expected signal from the IAT sensor.
Rough Running, Reduced Power, Poor Fuel Economy:
These symptoms can arise from incorrect fuel-air mixture due to faulty IAT sensor readings.

Faulty IAT Sensor:
Can lead to incorrect fuel/air ratios, causing rough idle, hesitation, reduced power, or sluggish acceleration.

Troubleshooting:
Check IAT Sensor:
Inspect the IAT sensor for proper connection, damage, and correct readings.

Check Wiring:
Ensure wiring to the IAT sensor is intact and properly connected.

Consider MAF Sensor:
A faulty Mass Air Flow (MAF) sensor can also impact air intake readings and potentially cause issues related to intake air temperature.

Consult Professional:
If issues persist, consult a qualified mechanic or Ford specialist for diagnosis and repair.

ME Well im no professional ..its learn as I go with this type of fault with me ..one day ill be confident enough on this type of fault to know for sure ..you got to also remember we are diagnosing remotely on this .


all the best.mark

[C777L]

Thanks for the comprehensive reply Mark.

The SCV and pipe (1 item) was replaced with ford OEM (2 338 049) so confident it’s not faulty. Although I’ve read it quoted as an SCV, when unplugging it the fault code forscan throws is:

P018C - Fuel pressure sensor low (FPS) B circuit low

Either way something is telling that device to not let fuel through to the high pressure fuel pump. The fact it starts when disconnected suggests the lift pump is fine and that when driving with it plugged back in it’s fine so the fuel pump, control module, injectors, fuel pressure reg (on the fuel rail) are all doing what they should.

Only other culprit I can now think of is ECU…

[metalworker0]

Only other culprit I can now think of is ECU…

that's ££££££££

keep trying for other things, like i mentioned the air intake temperature sensor

all the best.mark

[C777L]

Changed so far (to no avail!)

Cam position sensor
Air temp sensor
Fuel rail, fuel pressure sensor and regulator
Fuel pressure sensor/ SCV pre high pressure pump and feed pipe
Adblue and egr delete

All OEM. None made any difference.

Van had a bigger bhp map years back but run fine for about 20k miles before the trouble started. Wondering if a reflash might be worth considering.

Would take it to ford but last time they charged me £180 for diagnostics to say they don’t know!

[metalworker0]

There is a guy on here, calls himself martynx "van tuner".. he isn't cheap though!

based in Essex

memberlist.php?mode=viewprofile&u=3419

https://vantuner.co.uk/


all the bet.mark