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An EGR Valve is bolted to Intake manifold. Pipe is threaded to EGR valve and threaded to Exhaust Manifold. An EGR system does not supply Vacuum to any Transmission components. They are both separate systems.
Cooling system Fans will turn on when two conditions are met. First condition when the Air conditioner is turned on, Cooling system fans will turned on when an Air Conditioner switch closes electronically it activates air conditioner compressor and cooling system fans using relays. Second condition Computer receives a temperature signal from Coolant temperature sensor and when it reaches a certain temperature it activates a relay that turns on cooling fans. It is best to have a qualified Mechanic inspect your Electrical cooling system.
Instrument lights are normally powered by a 5 amp fuse you can inspect for power to that fuse only with the lights turned on. Electrical power signal needs to be inspected from Headlight switch to fuse and to Instrument cluster.We suggest you have a qualified mechanic Inspect your Electrical system.
A clutch replacement is best performed by a qualified mechanic. It requires removal of Transmission and suspension parts, I recommend you get some estimates in your area.
As with any Intermittent problems Basics need to be covered. Fuel pressure and Volume need to be Inspected for a weak Fuel Pump. As you mentioned Tune up was performed eliminating Ignition misfire. Crankshaft Sensor could have a loss of magnetic pick up causing random cylinder misfire.
Trouble code P1151 and P 1152 are both related to a Weak Oxygen sensor on Bank No.2
Radio Code should have been supplied separate from Owners Manual. Its a card with four numbers. You will have to take vehicle to Dealer to have Code Installed on you Radio. They can access your Radio code by Vehicle Identification Number.
Seat motor and Track are combined as an assembly, using motors,gears and cables. Seat will have to be removed to inspect seat cables.
In order to release brake shift lever, brake pedal must be applied first to electronicaly release shift solenoid. Are you appliying you brakes prior to moving shift lever? and vehicle must be running.
Repair shop that installed Air suspension should cover under warranty any inspection and repairs. It may have a faulty Kit, Air line or Fitting leak. Repair shop should tell you whats causing Air Loss.