P0402 OBD Engine Code Logo   Code #P0402 -
Exhaust Gas Recirculation Flow Excessive Detected

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po402,rubs rough,starts hard

Looks to be a problem with the EGR which is the Exhaust Gas Recirculation. Three basic components of the EGR are the: valve, solenoid, and a differential pressure sensor. You should check the sensor to make sure its working correctly, make sure the EGR isn't clogged and check and make sure you're getting a good vacuum seal.

Toyota Tacoma


p0402 code

95 tacoma code p0300

No run the engine

Nothing yet


the idle is to high and i replace the egr valve

Dodge Dakota
doesn't seem to affect the performance

Hello I have a 2001 Ford Taurus my engine came on and the code number is PO402 can you tell me anything about it please


no power runs for alittle bit and dies.

The Check Engine Light is constantly on and acceleration not smooth.

Check engibe light came on

Mercury Grand Marquis
Check engines light came on

Mercury Grand Marquis
Car starts, runs smoothly, does not overheat. Check egine light comes on

Mercury Grand Marquis
Light comes on when car starts

Ford Explorer
obd2 p0402

check engine light comes on reolaced egr valve

Toyota Tacoma
P0402 EGR Flow Excessive - They say that the EGR modulator and the switching valve needs to be switched, but it will cost way too much. Can anyone help me out?

lack of powe check engine light staying on

Suzuki SX4
po0402 code

Suzuki Grand Vitara
Car idles roughly and little less power.


check eng liht on fail smog check

no simpttoms i replaced the vac control valv

Dodge Sprinter
Low power after warms up. Codes P0402 - P2457 - P0404

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Tell us about Code #P0402

When did your Check Engine Light Come On?
Does your Car Start?
Does your Car Vibrate? Shake?
Does your Car Idle Roughly? Reduced Power?

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Other Comments

P0513 Chrysler Pacifica
I changed the tumbler and had the key changed to fit the tumbler.Car will not start.Acceseries lights come but no start

P0513 The tumbler was changed and key altered to fit new tumbler

P0113 Ford Crown Victoria
car shuts off

P0113 car shut off

P0101 P0101

Other Check Engine Light Codes

P0218   Transmission Fluid Over Temperature Condition
P0370   Timing Reference High Resolution Signal 'A'
P0380   Glow Plug/Heater Circuit 'A'
P0428   Catalyst Temperature Sensor High Input (Bank 1)
P0439   Catalyst Heater Control Circuit (Bank 2)
P0486   Exhaust Gas Recirculation Sensor 'B' Circuit
P0523   Engine Oil Pressure Sensor/Switch High Voltage
P0851   Park/Neutral Switch Input Circuit Low
P0900   Clutch Actuator Circuit/Open
P0961   Pressure Control Solenoid "A" Control Circuit Range/Performance

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