EGR, Check engine Light ,LOW FLOW

[zadam123]

my engine light came on again and its due for an inspection,perfect timming. I used to just unplug the battery for 20 minutes and this would fix the problem for about 200 - 300 miles but now it only last 16 miles befor comming back on.

I have 2 question. I was told that if you reset the light and try to inspect the car it will fail if not driven a certain amount of time. does anyone know how many miles this is?

and there used to be a great write up on cleaning out the egr valve with pictures and a step by step does anyone know where this is?

thanks

[zadam123]

after a lot of searching i finally found what i was looking for . a detailed step by step to clean the egr

http://www.icess.ucsb.edu/~greg/rodeo/egr.htm

[kirk hilton]

Thanks for the posting. I'll be doing this little job in the next couple of weeks and it's always good to have some pictures and detailed instructions. Dam that EGR valve.

[Gussie2000]

my engine light came on again and its due for an inspection,perfect timming. I used to just unplug the battery for 20 minutes and this would fix the problem for about 200 - 300 miles but now it only last 16 miles befor comming back on.

I have 2 question. I was told that if you reset the light and try to inspect the car it will fail if not driven a certain amount of time. does anyone know how many miles this is?

and there used to be a great write up on cleaning out the egr valve with pictures and a step by step does anyone know where this is?

thanks

I personally never heard about that.

Since our VX is a all full time 4WD our trucks can not be tested over the dyno,but the inspection is computed-controlled so i guess that situation is possible

[kirk hilton]

I've had the dreaded EGR 'check engine' problem for a month or more. In all that time the dash 'check engine' light has been lit, even when I've repeatedly cleared it with the scanguage, it would return within minutes of driving anywhere. I never ready got around to cleaning or replacing the EGR valve.

But yesterday I topped up my lead/acid battery and charged it. Since then I've cleared the EGR codes (1404, 404 if I remember correctly) and they haven't returned. So fingers crossed the EGR codes might have been just a low battery problem (i guess with everything considered that value may just be current sensitive).

If anyone has a similar EGR problem try simply charging the battery but remember to top up with demin water first.

[Dmitrikr]

egr problem.
How I fix mine.
First took off EGR valve set it aside. Start engine and see if any vaccuum at small hole. if engine runs as usial (no rpm change with EGR removed)- there is pipe inside plenum clogged for good.
Shut engine off.
disconnect air intake hose.
get throttle fully open and look inside the plenum (flexlight can be usefull)
will see pipe on the bottom - with tiny hole ( usially sludge on it a LOT)
getting air blower (shop air high pressure) and blow air through that pipe
CAREFULL!! use safety glasses
Lots of debris flying out from egr vac hole on the back-hood reflecting that stuff towards you
put air intake hose back
start the engine - note how engine runs(or not) with egr off.
turn engine off. put egr back on
clear codes, wash, shampoo engine.
Happy wheeling))

[Dmitrikr]

egr problem.
How I fix mine.
First took off EGR valve and set it aside. Start engine and see if any vaccuum at small hole. if engine runs as usual (no rpm change with EGR removed)- there is pipe inside plenum clogged for good.
Shut engine off.
disconnect air intake hose.
get throttle fully open and look inside the plenum (flexlight can be usefull)
will see pipe on the bottom - with tiny hole ( usially sludge on it = a LOT)
getting air blower (shop air high pressure) and blow air through that pipe
CAREFULL!! use safety glasses
Lots of debris flying out from egr vac hole on the back -hood reflecting that stuff towards you
put air intake hose back
start the engine - note how engine runs(or not) with egr off.
turn engine off. put egr back on
clear codes, wash, shampoo engine.
Happy wheeling))