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850

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Question
Clunking noise at right passenger's side
Hello. The struts could definitely cause a clunking noise. However, there are other suspension parts that should be checked as well, such as the upper/lower control arms, and the upper/lower ball joints. These could also cause a clunking noise. The...
Question
My steering wheel vibrates
The vibration or bumping you are getting is due to one or more items that are binding. The upper strut bearing, lower ball joint or the tie rod end is binding from wear or lack of lubrication. A proper inspection...
Question
Odometer/trip meter stopped working
There is only one vehicle speed sensor, so if the speedometer is working, then the problem lies in the instrument cluster, or trip computer. I recommend having a certified technician, such as one from YourMechanic, come out to your car's...
Question
Possible fuel injection problem
PNP switch issues are common in Volvo 850's. The issue usually happens when depressing the Winter mode, that is why the car starts in 3rd gear. 3rd gear starts to minimize slipping. Most of the time the PNP switch is...
Question
When it's hot out my car won't start, any ideas?
A couple of things come to mind. I would first ask these questions: Is this a no crank or a no start? I will address both scenarios below. A no crank is when the motor doesn't turn when you...
Question
Randomly, car stutters, idles, stalls, and won't start
The Volvo 850's are notorious for having main fuel relay failures due to burned contacts in the relay. This will cause intermittent fuel delivery issues which result in stalling, shuddering, and no-starts. This is an inexpensive part to replace, and...
Question
Odometer malfunctioning, ABS light on constantly
On the Volvo 850, there is a plastic gear on the odometer/trip meter unit inside the instrument cluster that is known to wear out. The instrument cluster will have to be removed, disassembled, and the gear replaced to correct the...
Question
Have to use over-ride button before car shifts
Yes, the micro-switch is a common failure, but not a too difficult repair for your Volvo 850. However, the shifter trim will need to be removed and the wiring connectors can be tricky to disconnect without damaging the harness. Just...
Question
Car leaking oil, oil blows out of dip stick tube
If you had excessive blowby from worn rings and all, then you would have excessive smoking and oil consumption through the engine. It almost sounds like your PCV (positive crankcase ventilation) system is not feeding blowby gasses back to the...
Question
Car shuts off - will start sometimes, but mostly not
A common cause for an intermittent no start on the Volvo 850 and stalling is a failing main fuel relay. The contacts in this relay over time can burn, causing no fuel delivery and ultimately a stall and subsequent no...
Question
Hooked the car to a computer a tune up and the o2 sensor came up.
Based on the information you gave, these may be different issues. The loss of power and jerking are indicators that you probably have a misfire. I would suggest replacing your distributor cap, distributor rotor, spark plug wires and spark plugs...
Question
when shifting from gear to gear it barely catches so the rpms race high un til i let off gas and let car gradually go
Wow, manual transmission Volvo's are really hard to find. It sounds like you have a slipping clutch. This is pretty normal behavior for a worn out clutch, and with 170,000 miles, it's due for it. I would suggest having the...
Question
Whining noise coming from back left of car when not moving as well as moving
The noise you are hearing is likely the fuel pump. The fuel pump may be extra noisy when the fuel tank is low on fuel versus when it is full or nearly full. The noise could be the internal bearings...
Question
Misfire in 2 cylinders
Hi, thanks for writing in. Was there oil down in the spark plug wells also? If so, the rubber plug boots may still have enough oil on them to short to the cylinder head. It is also possible, with your...
Question
I'm smelling gas - 1997 Volvo 850
Hi there and thanks for contacting YourMechanic. The best way is to look in your owner's manual and look up the fuel tank size. Then remove the fuel tank from the vehicle to gain access to the fuel filler neck....
Question
Car starts up then cuts off two seconds later in cold weather
Anytime a car doesn't want to idle, the first thing you want to do is check for air leaks. There are a handful of vacuum lines and large rubber molded parts under the hood that air passes through and if...
Question
Transmission slow to engage into 1st from stop
Hello. This may be a sign of a faulty transmission control solenoid. Modern automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission solenoid, which directs transmission fluid...
Question
My 1996 Volvo 850 Turbo Wagon is leaking gas from the front driver side. What could this mean?
Hey there. Your car has small diameter steel tubes (typically around 1/4 inch in diameter) that supply fuel under pressure to the fuel injectors. Some of this tubing runs underneath the vehicle to the engine compartment and thus is subject...
Question
My Volvo will not go in reverse after driving it home
If the transmission all of a sudden will not go into reverse, then check the shifter cable to see if the transmission is in alignment. To do this in the car, simply set the parking brake and put the transmission...
Question
Battery or alternator
This may be a sign of a weak battery, a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while...

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