Question about 1993 Mazda MX-6

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EGR may be dirty what will it cause my car to do

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  • kathyjordan3 Apr 07, 2011

    It dies when at idle. But when running runs great. Gas light comes on when it full of gas. Lost

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Hesitate, stall, use lots of fuel - run badly

Posted on Apr 07, 2011

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1 Answer

Asked before about EGR tube,censor tubes blocked,what is causing this?


usually lack of proper maintenance and dirty oil causes pipe and egr to plug up

Jul 22, 2016 | Cars & Trucks

2 Answers

Why is 4x4 reving past 2500/3000, revs rough also the check engine light is on holden told me they done check car lacks power scan find DTC P0405 stored a present code possible EGR or circuit issue


code p 0405 refers to exhaust recirculation (EGR ) valve position sensor A--low input ===causes --wiring short to ground--EGR valve position sensor---ECM
check the wiring and plug connections as there may be water in the connections causing the problem

Jul 17, 2016 | Holden Cars & Trucks

1 Answer

My 2004 Chevy Tahoe idles real low and Cut off I can't find the problem it don't do it all the time


Dirty IAC valve can cause this, as well as bad O2 sensor, dirty fuel filter, dirty EGR, others.

Apr 13, 2015 | 2004 Chevrolet Tahoe

1 Answer

P0406 engine codes


form the fsm
i paste
Possible causes
- EGR Valve clogged, dirty or leaky
- EGR valve damaged/defective
- EGR volume control solenoid valve
- EGR temperature sensor and circuit
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection

the tests are in the FSM. or here
http://www.scantool.net/software/alldata-diy-1-month-subscription.html

Jan 14, 2014 | 2000 Toyota Camry Solara

1 Answer

What does obd2 code p0406


The code P0406 is for Exhaust Gas Recirculation Sensor 'A' Circuit High. The possible causes are EGR Valve clogged, dirty or leaky, EGR valve damaged/defective, EGR sensor ground circuit open, EGR sensor signal circuit open, EGR volume control solenoid valve harness is open or shorted, EGR volume control solenoid valve circuit poor electrical connection. An improper voltage signal is sent to ECM through the valve. You will have the symptoms of engine light on and engine hesitation.

Jul 02, 2013 | Cars & Trucks

1 Answer

What does the code p0403 and p1784 mean and what do i need to do to fix it


P0403 - Exhaust Gas Recirculation Circuit Malfunction

Causes for DTC P0403:
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Solutions for DTC P0403:
- Repair EGR harness or connector
- Replace EGR volume control solenoid valve
- Replace EGR volume control valve


P1784 - Transmission Mechanical Failure (First and Reverse)

Causes for DTC P1784:
- Not waiting to allow transmission to engage gear before accelerating.
- Dirty fluid / clogged transmission filter

Solutions for DTC P1784:
- Allow gears to engage before acceleration
- Preform transmission service (flush & filter)

Mar 09, 2011 | Chrysler Town and Country Cars & Trucks

2 Answers

Po174


A P0174 lean code for bank 2 is the cylinder bank on the LEFT (driver) side of the engine on Ford vehicles with a transverse-mounted V6 engine and front-wheel drive. This code is not set on four cylinder engines (no bank 2).
WHAT A LEAN CODE MEANS
A lean fuel condition may exist if the engine is sucking in too much air and/or the fuel system is not delivering enough fuel. If bad enough, a lean fuel condition may cause lean misfire, a rough idle, hesitation or stumble when accelerating, and/or poor engine performance . Unmetered air can enter the engine through a vacuum leak, a dirty airflow sensor that is not reading airflow accurately, an EGR valve is not closing and is leaking exhaust into the intake manifold, an EGR valve that is allowing too much flow (because the EGR differential pressure sensor that monitors EGR flow is faulty and is under-reporting EGR flow).
If the problem is not enough fuel, the underling cause may be a weak fuel pump, restricted fuel filter, leaky fuel pressure regulator or dirty fuel injectors.

Dec 24, 2010 | Ford Explorer Cars & Trucks

1 Answer

OBDII SETS CODES P0401, P0171 & P0174 . 1998 Mercury Sable


P0401- Exhaust Gas Recirculation Flow Insufficient Dectected
Possible causes - Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control valve stuck closed
- EGR volume control solenoid valve
- Dead (Weak) battery
- EGR passage clogged
- Exhaust gas leaks Possible solution - Clean EGR Valve
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve
Code P0171- Fuel Injection System Too Lean Bank 1 Possible causes - Intake air leaks
- Front Heated oxygen sensor may be faulty
- Injectors may be faulty
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor may be faulty
- Incorrect PCV hose connection Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem P0174- Fuel Injection System Too Lean Bank 2 Possible causes - Intake air leaks
- Front Heated oxygen sensor may be faulty
- Injectors may be faulty
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor may be faulty
- Incorrect PCV hose connection Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem.

Jun 28, 2010 | 1998 Mercury Sable

1 Answer

Ruff idle(new plugs installed) runs great


rough idling can be caused by dirty air filter.dirty throttle valve and bore.vacuum leak at egr valve and pvc valve.also idling too low.will cause rough idling.

Jul 06, 2009 | 1994 Geo Prizm

2 Answers

How do you clean the EGR valve on a 99' Honda Civic?


Pull vacuum on egr valve with engine idling and see if engine stumbles and tries to die until vacuum is released. If this DOES NOT happen the egr exhaust passage is plugged will need to remove egr valve assembly and remove carbon from passage into cylinder head.

Mar 29, 2009 | 1999 Honda Civic

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