EGR solenoid problem on 4.0 engine
#1
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I have a 93 XJS with the 4.0. I found out using a vaccum guage that my EGR valve was not working and I replaced that. The problem now is that I am not getting vaccum from my EGR solenoid. I hooked up 12 volts to the solenoid and it functions properly,the problem is when I put the electrical connector back on it and rev the motor up,no vaccum. I checked for battery voltage at the connector and it is 14.2 volts. I cleaned and sprayed all the electrical contacts and still no vaccum getting through the solenoid. The solenoid works but not when it is hooked up, I don't get it. I read there is a EGR tube temp. sensor under the throttle body and I will check that. Should I be looking elsewhere? ECM?
#3
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Thanks for the reply XJRGuy, I would never had guessed it had to be in gear to actually work. This is my first Jaguar and I am gradually learning its idiosyncrosies. I had been using a Chiltons XJ6 manual and it mentioned the rpm. and temp check but failed to mention it had to be in a driving gear! Another thing I found out about my car was that the throttle was only opening about 80% of the way and the accelerator cable was in the wrong location in the bracket that holds it. I found out what A or M means (automatic or manual) on the casting and how to check throttle opening also using the A or M stamped on the throttle plate. I wonder how many XJS 6 cyl. engines are not getting full power because these adjustments are off, I know it made a big difference to mine at w.o.t.
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