frenchyoliver

Again, the solenoid needs to be repared. Did it last year and not sure it will support a second surgery.

Not difficult to do but i was wondering if this global EGR and air pump nightmare to maintain could be simply canceled.

Air pump , it s easy but the Egr....

Should i leave it? Any downside of propetly cancel it and shut off the code in the ecm?

Thanks

Randy93

Are you sure it is the solenoid?
I am getting a 32 and my egr passage is blocked, car was running rich.

frenchyoliver

I am about 100% sure. Ecm doesnt know if it s open or not and code 32 appears only when on interstate at a regular speed while engine is cooling down at 160 termostat after beeing hot in city trafic.

If it was cloagued ( excuse my very bad english not sure it s a right word) i would have the code consistently. Solenoid did the same last year due to inside broken wire.

I know this bug well but it s just that i am begining to think about cleaning all those hoses... Wires....bypass... Solenoid.... Etc

When i look at my other vettes than have very neat racing engines i wonder why the heck to keep all those stuff that simply.... Bug me.

Randy93

No, you would only get the code when the egr tries to open the valve.
I only get mine on the highway, to check for a plugged passage is to start the engine and use a screwdriver to open the egr valve and if the engine stumbles, the valve or solenoid is bad and if the engine does not stumble; your egr passage is blocked.
You english is a lot better than some people here in the states!!

frenchyoliver

nice tip. Thanks.
I ll try that this week end.

65Z01

There is a step by step EGR test procedure on my site.
What year Vette??

frenchyoliver

it s a 91.
your website is full of usefull information.
I ll try the complet procedure.
thanks