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OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 589 of 654
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TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
P008A: Low Pressure Fuel System Pressure too low – Fuel Filter Clogged
Overview:
Description as per ISO Standard
Low Pressure Fuel System Pressure too low
ECU Pin Number
51
Customer Symptom
Engine Restricted Performance
Fault Effects (On Vehicle)
Vehicle will operate with reduced power from Engine
Lamp Status (If Any)
Fuel Filter Clogging lamp will turn ON
Fault Detection Condition
This DTC gets logged if EMS detects the Fuel filter clogging condition
Normal Operating Condition
Fuel Filter clogging condition not detected by EMS
Probable Trouble Area
Fuel Filter , Wiring Harness connections between Fuel Filter clogging sensor &
ECM, LP Fuel lines leak / clog
Healing Condition
Clear the errors, Ignition OFF to ON, engine idle & fly-up condition
Component Details:
Fuel Filter clogging switch / sensor is connected to EMS for detecting the fuel filter clogging condition.
Preliminary Checks
x
Check whether the customer voice / view about the issue is matching with the fault effects mentioned above. If
yes, go ahead with next steps. If not, check for other DTC’s presence.
x
Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to
earlier issue closure. Check for pin back out at EMS ecu connector or Fuel Filter Clog Sensor connector.
x
Check for connector damages at EMS ECU & Fuel Filter clogging sensor. If found rectify / replace
x
Check for blockages / leaks in Low Pressure fuel circuit.
x
Check for clogging in Fuel Filter