Hard EAS Fault

[Rovernut]

OK, the saga continues..... a few weeks back wife's 02 was slowly settling down over night. The "leave the door open until it pumps up trick" worked until I got new air bags in and installed them......Life was good for about 3 weeks. Then this morning we hit the highway headed out of town for the weekend. About 20 miles down the road started getting a beep and EAS fault warning, the "slow -35 mph max" with all 4 level lights shining brightly. A couple of more miles down the road and we were on the bumpstops. Nothing will raise it up. Any ideas?

 

[kevin-ct]

You need the have the codes read and repair the problem and clear the codes.

I would say the valve block went bad.
If it was my car, I would change all three, valve block,the driver and the air compressur.

then you should be trouble free for awhile.

 

[ptschram]

Without the ability to extract the DTCs, we're shooting in the dark. Without putting a real gauge on the pump output, we're shooting in the dark. Without the ability to independently manipulate the system, we're shooting in the dark.

It could be something silly like a leaky hose, it could be something serious like a problem with the driver, valve block or the pump.

I have seen so many things fail in EAS that I hesitate to even suggest anything without having the truck in front of me.

That said, I have a new pump and driver block in stock.

PT

 

[ml4x4]

On my '02 4.6 I've had all EAS parts replaced in the last 14 months. 3 new airbags, new block, etc. Essentially an entire system overhaul. Pump works fine, car raises and lowers without a problem. System functions as it should.
Got in the truck yesterday morning and as soon as I hit 25, the alarm comes on. MAX SPEED 25mph...
I'm trying to figure this out.

 

[ratboy]

Without the ability to extract the DTCs, we're shooting in the dark. Without putting a real gauge on the pump output, we're shooting in the dark. Without the ability to independently manipulate the system, we're shooting in the dark.

It could be something silly like a leaky hose, it could be something serious like a problem with the driver, valve block or the pump.

I have seen so many things fail in EAS that I hesitate to even suggest anything without having the truck in front of me.

That said, I have a new pump and driver block in stock.

PT

i still havent figured out what is wrong with the 03 that i work on. it comes in once in a while with the front suspension on the bump stops and the only dtc it has is the compressor ran too long. real helpful guys. why dont you give me a dtc that says the suspension is on the bumpstops too. sometimes even with the tools to diagnose the problem you still cant. especially when its intermittent.