ENGINE 273 MPFI 285 P Code Description as per ISO/SAE Fault cause MIL / Blink Diag Detection / Customer Effect Probable Trouble area Check Code Tool for BS-III-IV P1615 Stalled Starter - OFF 63 YES 1. Starter is inhabitted for 10 sec. 1. Check starter for stalled / stuck 2. Start not possible 2. Check crankshaft Stuck / Jam P1201 Engine stalled due to overheating Engine Blinking 53 YES 1. Engine shut-off 1. Check cooling FAN. overheat 2. Danger of damage to engine and other components in engine 2. Check radiator coolant level room 3. Check coolant circuit. P0171 Lambda Too Lean Blinking 72 YES 1. Too lean fuel can heat of the engine as well as exhaust 1. Blocked fuel line components. 2. Faulty fuel regulator 2. Accelearation and overall vehicle performance is affected. 3. Blocked/leaking injectors 4. Faulty Injector P0172 Lambda Too Rich Blinking 72 YES 1. Fuel consumption is increased. 5. Air leakage through intake system 2. Too rich fuel can also result in bad combustion and hence poor performance. P2187 Lambda Too Lean at Idle Injector delay ON 72 YES 1. Affect idle stability. time incorrect 2. Affect performance in Low engine speed and load zones. /Air intake leakage/MAP sensor offset incorrect. P2188 Lambda Too Rich at Idle ON 72 YES 1. Affect idle stability. 2. Affect performance in Low engine speed and load zones. P0506 IdleAir Control System RPM Lower Than stuck/blocked ON 33 YES 1. Very low idle engine speed 1. Blocked/Stuck stepper motor Expected stepper motor. 2.Intake air leakage/ blockage of air path 3. Check for connections to intake manifold like canister P0507 IdleAir Control System RPM Higher Than Intake air ON 33 YES 1. Idle engine speed is high or sawing of engine hose, break booster hose, Pressure sensor mounting and EXpected leakage/stuck mounting bolts of intake manifold to engine. stepper motor P0324 Knock Control System Error signal error ON 29 YES 1. No knock control active. 1) Loose /Damaged connector. 2. Permanent ignition retardation. 2) Knoch sensor positive/ negative line Short to Battery/ 3. Engine damage can happen with bad fuel quality. Ground. 3) Check the continuity from knock sensor connector P0327 Knock Sensor Circuit Low Short Circuit ON 29 YES 1. No knock control active. pins to the ECU pins ( ECU pin 29 and 41). to Ground 2. Permanent ignition retardation. 4) Check for back out of pins at both knock sensor 3. Engine damage can happen with bad fuel quality. connector and ECU connector. 5) Faulty sensor. P0328 Knock Sensor Circuit High Short Circuit ON 29 YES 1. No knock control active. 6)Faulty ECU. to Battery 2. Permanent ignition retardation. 3. Engine damage can happen with bad fuel quality. P0532 A/C Refrigerant Pressure Sensor “A” Circuit Short Circuit OFF 55 YES 1. A/C switched off. 1) Loose /Damaged connector. Low to Battery 2) A/C presuure sensor signal line Short to Battery/ Ground. P0533 A/C Refrigerant Pressure Sensor “A” Circuit Short Circuit OFF 55 YES 1. A/C switched off. 3) Check the continuity fromA/C pressure sensor sensor High to Ground/ connector pins to the ECU pins ( ECU pin 23). No signal 4) Check for back out of pins at both A/C pressure detected sensor connector and ECU connector. 5) Faulty sensor. 6)Faulty ECU.
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