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
402


iac

p0402 code

95 tacoma code p0300

No run the engine

Nothing yet

po402

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

Tt

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.


P0402

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


ok

Nissan Frontier
Yes light on


No outright symtoms just sets code po440 then po441 after a week when being reset



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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

P0444 BMW 325Ci
service engine soon light came on


P0340 changed camshaft position sensor but the car still has a misfire and still has the same code read out po340

P0332 Throwing this code

P0353 started with code p 0353 changed coils around and put new spark plugs in reset codes and got code 0353 and 0351 thought it might be fuel injectors so changed #1 and #3 put back together and now have codes 0353 0352 and 0351

P0121 Po121gmc



Other Check Engine Light Codes

P0112   Intake Air Temperature Circuit Low Input
P0194   Fuel Rail Pressure Sensor Circuit Intermittent
P0313   Misfire Detected with Low Fuel
P0602   Control Module Programming Error
P0647   A/C Clutch Relay Control Circuit High
P0765   Shift Solenoid 'C'
P0840   Transmission Fluid Pressure Sensor/Switch 'A' Circuit
P0845   Transmission Fluid Pressure Sensor/Switch 'B' Circuit
P0882   TCM Power Input Signal Low
P0927   Gear Shift Reverse Actuator Circuit High




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