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L6-3.5L

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Ticking when I first start driving
If you feel this is a concern then have a mechanic listen to the noise to see if it may be normal or not. Some newer vehicles have emission control devices that may make noise when first started and then...
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Gauges and dashboard lights out
On a car of this age, wiring issues become more common. The dashboard lights and gauges are all on the same circuit - which means that a wiring short, break, or blown fuse can cause these issues. A qualified technician,...
Question
All my gauges died
With a vehicle of this age, wire issues are not uncommon. The most likely cause of the gauges going dead is a wiring issue, either a short or broken wire, or a blown fuse. A qualified technician, such as one...
Question
Idle too high. 1994 Chrysler New Yorker
Hey there, thanks for writing in about your 1994 Chrysler New Yorker. Start your engine and let it idle in park for at least 5 minutes. Listen and check the engine for any vacuum leaks or inlet air tube leaks....
Question
Rear power sliding door, 2005 Buick Terraza
The close operation for the door is dependent on the door not being blocked in some way or binding that will cause the motor to reverse. This is a safety feature. The first thing to do is open the door...
Question
Water leak under dashboard
If your vehicle is equipped with a sun roof, then you may have a water leak due to the drains for the roof on both sides being blocked with dirt and debris. You may also have a blocked A/C drain...
Question
When entering busy interstate traffic, EcoBoost motor failed
A few different faults could cause the vehicle to lose power like this. The most likely would be a turbo failure, water in the intake, MAF sensor, vacuum leak, or fuel pump. Your best bet may be to have this...
Question
2010 Mercedes-Benz S400 Hybrid
Hello. It sounds like the car has low battery voltage. Either the battery has gone bad or the alternator is not charging properly and is draining the battery. I would suggest that you have the electrical system inspected. If you...
Question
Car shut off, cannot be restarted - 2010 Mercedes-Benz S400 Hybrid
Hello. It sounds like you may have a problem with the fuel pump or other components of the fuel system. It is also possible that there is a problem with the battery or other components of the electrical system. A...
Question
A/C, P/S, and Alternator Belt replacement
If you have one style of tensioner, the tensioner should have a hex nut cast into the component opposite of the pulley. It is a metric size - 16mm if I remember correctly. The other style of tensioner will have...
Question
Automatic door locking system issue
A Mercedes of your model year use a combination electric/vacuum door lock system. The fuse was for the electrically powered vacuum pump only. The rest of system uses rubber vacuum lines which leak when old. You can replace them one...
Question
Adjusting the camshaft and crankshaft for the timing chain
I believe the "official" procedure for these M30 engines is to: Leave the tensioner until last Install the chain with the crank and cam sprockets on TDC, and the chain tight on the driver side of the chain Use...
Question
Dull knocking from the front end of the car noticeable at lower speeds
The noise would have to be heard to give a diagnosis for this. The noise may be coming from the brakes or suspension. The rack and pinion may be causing the issue but this would be difficult to determine without...
Question
The car suddenly couldn't be started
Hello. If the engine will not crank at all and the starter and battery are fine then I start by checking to see if the starter relay is getting power. If it is but is not sending power to the...

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