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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Jaguar
Satisfied Customers: 3969
Experience:  Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehciles
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I have a 1992 Jaguar Van den Plas. It has a low idle miss.

Customer Question

I have a 1992 Jaguar Van den Plas. It has a low idle miss.
JA: How many miles are on the car? What size is the engine?
Customer: You name it I have replaced it.
JA: What is the model of your '92 Jaguar?
Customer: The engine is a 4.0 (XJ6) Mileage 63K
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: Yes, I am.
JA: Anything else you want the mechanic to know before I connect you?
Customer: I have replaced the spark plugs, wires, Rotor, cap, cam shaft sensor, o2 sensor, EGR valve, EGR vacuum sensor, ignition coil, valve cover gasket, fuel filter and idle control valve. .
Submitted: 1 month ago.
Category: Jaguar
Expert:  Chad Farhat replied 1 month ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 1 month ago.

Hey how are you

did you do a smoke test , do you have a small vacuum leak from intake gasket or cracked intake manifold ?

if you spray starting fluid around the intake manifold when engine running on cold engine ,doe teh rpm surges up

lets start here

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 1 month ago.
ok, I will give that a try.Thank you.
Expert:  Chad Farhat replied 1 month ago.

ok sounds good

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Chad Farhat
ASE Certified Technician