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Check engine lights on ,and notice codes SPN-4752 ,SPN-412…

Customer Question
Check engine lights on...

Check engine lights on ,and notice codes SPN-4752 ,SPN-412 how i can fix this problem?

Mechanic's Assistant: What's the make/model/year of your truck? Engine type?

2016 volvo with d13

Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?

I do ,if i can

Submitted: 7 months ago.Category: Medium and Heavy Trucks
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Answered in 11 hours by:
1/17/2018
Technician: Daniel Wilson,
 replied 7 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,884
Experience: Owner at DJ Wilson
Verified

Hi ,My name is***** will be glad to help. We can follow up as needed on here, Give me some time to review your information and post my responses. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc.

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Technician: Daniel Wilson,
 replied 7 months ago

ECM SPN 4752, Engine Exhaust Gas Recirculation (EGR) Cooler Efficiency
– MID 128 SID 282

Type of
fault:
FMI Description: Fault Condition: Possible
Symptoms:
Possible Cause:
FMI 7 • Mechanical system
not responding or
out of adjustment
• Low EGR cooler
efficiency
• MIL illuminated • EGR cooler clogged or damaged

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Technician: Daniel Wilson,
 replied 7 months ago

ECM SPN 412, Engine Exhaust Gas Recirculation Temperature – MID 128
PID 412

Type of
fault:
FMI Description: Fault Condition: Possible
Symptoms:
Possible Cause:
FMI 0 • Data valid but above
normal operational
range - Most severe
level
• Engine Exhaust
Gas Recirculation
Temperature is
above range
• Engine derate • Extreme driving conditions
• EGR cooler failure
FMI 2 • Data erratic,
intermittent or
incorrect
• EGR temperate
signal, believed
to be not valid
(plausibility fault)
• MIL illuminated
• Engine derate
• Faulty sensor
FMI 4 • Voltage below
normal, or shorted
to low source
• Short to ground
on the metering
side of the EGR
Sensor circuit
• MIL illuminated
• Engine power
will be derated
according to the
error torque map
• Faulty EGR Temperature Sensor
connector
• Faulty EGR Temperature Sensor
harness
• Faulty EGR Temperature Sensor
FMI 5 • Current below
normal or open
circuit
• Short to battery
in the metering
side of the EGR
Sensor circuit
• Open in the
metering side of
the EGR Sensor
circuit
• Open circuit in
the ground line of
the EGR Sensor
circuit
• MIL illuminated
• Engine derate
• Faulty EGR Temperature Sensor
connector
• Faulty EGR Temperature Sensor
harness
• Faulty EGR Temperature Sensor

Above are the potential causes to check for. Commonly a failed EGR cooler.

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Technician: Daniel Wilson,
 replied 6 months ago

Hi, Did you get this resolved? I see this is still open. Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated. It's been a pleasure working with you on this.

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