Question about 1998 Volvo S90

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My volvo 1998 s90 has a miss when it heats up.

My volvo s90 does not over heat nor does it have water in the oil. please tell me what it could be.

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  • 2 more comments 
  • Anonymous Mar 13, 2014

    alternator not charging on 1998 volvo s90

  • Anonymous Mar 31, 2014

    tires noisy shakey

  • Anonymous Mar 31, 2014

    making thumping noises and vibration at all speeds

  • Anonymous Mar 31, 2014

    Car sat in storage for a long period of time, now tires are very noisy(like snow tires) and vibrates at all speeds.



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  • 128 Answers

Start with getting the fault codes checked! My guess is a bad ignition coil or a vacuum leak, but they are guesses. A little diagnosis is required before replacing any parts!


Posted on Nov 21, 2008


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Related Questions:

1 Answer

How long does it take to change the oil pan gasket on a 98 s90 volvo

Not long and doing it yourself could save you a few hundred dollars from reports I have seen

Please ensure your vehicle is securely supported if you intend doing the work your seld
good luck

Jun 18, 2015 | 1998 Volvo S90

1 Answer

Is there a code just for the cd player; radio works fine

If yours is the one with the cd player the code that came with the radio works for both. If you don't have the right code the radio and cd player wont work

Apr 22, 2014 | 1998 Volvo S90

1 Answer

Water oil radiator mix

That would mean your water pump is not working properly

Nov 05, 2013 | 1998 Volvo S90

1 Answer

Leaking small amounts of anti-freeze, I have to top it off every 2 weeks, maybe 4 oz. I had new tires installed this week and asked the mechanic to look for leaks. He found no issues with any hoses or the...

Most likely a frost plug, you may need a mirror to see it.
The head is not likely to just leak from the back, check for steam from the exhaust when hot.

Jul 27, 2011 | 1998 Volvo S90

1 Answer

On a 1997 volvo s90, where is the gear position sensor located ? Can a non mechanic install that part ?

you need lift the car and

Unclip HO2S lead from transmission member and oil pan and open HO2S connectors.
  • Remove front exhaust pipe.
  • Remove front heat shield.
  • Ensure that gear selector lever is in neutral (position N)
  • Loosen sensor enough to turn it sideways. Mount gauge 999 5475 on gear selector shaft outside nut.
  • replace sensor but you need a special tool to adjusted once you replace it.
good luck!!!!!

Feb 28, 2011 | 1997 Volvo S90

1 Answer

Heat/Cool gauge fluctuates inconsistently

You might check the coolant level after the engine cools,if it's low add 50/50 mixture of coolant and water. Keep an eye on the level to see if it happens again. You might have a small leak in the system. Good luck

Jan 18, 2010 | 1998 Volvo S90

1 Answer

Check engine light comes on, yet car checks out okay

the air flow meter or the air flow sensor needs to be replaced, Your dealer might be trying to get out of the cost.

Apr 04, 2009 | 1998 Volvo S90

1 Answer

Loud LIfters on S90 Volvo

adjust valve lifters or it can have tappet wear

Feb 09, 2009 | 1998 Volvo S90

1 Answer

S90 1998

If there that noise you better look a little deeper inside engine like oil pump going bad. try some lucas, or stp that might help.

Feb 09, 2009 | 1998 Volvo S90

1 Answer

Leaking oil

Please take a picture of where you think the noise is coming from. Meanwhile your local dealer will gladly take a little 'look' and give you a better idea than I can from here. If you can video the engine with the hood up - and put it on YOU TUBE then post the link here. I will give you a much better answer.
Meanwhile - spray the belts with plain water just before you start the engine. Then start the car and spray more on each belt. If you hear a change - eitther tighten that belt or change it out. Remember just because it is a new belt doesn't make it good. Some times mechanics accidentally over stretch the belt on the first install. Not often but it does happen.

Aug 14, 2008 | 1998 Volvo S90

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