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Is it OK to use 87 octane gas or must you use 91 octane? V70-XC70 1999

posted by  someone claiming to be Hugh on  Wed Dec 23 15:05 CST 2020 [RELATED]

Hello All,

I have a 1999 V70 AWD XC wagon, with 222,000 miles. The owner's manual recommends 91 octane gasoline. I purchased this car used with 12,0000 miles in 1999. From the start I ran it on 87 grade, because long ago at an Volvo Open House, at the company's then headquarters in Rockleigh, NJ, a Volvo engineer said you could run the car on 87 without effect. At 163,000 a valve failed. At 193,000 miles, another valve failed. All the valves were replaced each time a valve failed, so of course this was expensive. Now at 220,000 miles, it definitely appears the catalytic converter is failing. It was replaced 8 years ago when it was damaged due to a collision and not because of internal failure.

Today I had conversation with a very knowledgeable person at iPd, Inc. who has advised me, that I should always run run the car on 91 octane. That the problems I have described above are related to running the car on 87 and not 91 octane.

My question to my fellow Volvo Owners is: What is your opinion or practice in terms of the grade of gasoline that you use for your Cross Country?

I will welcome your comments and advice. Thank you in advance to all who reply.

Hugh






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New Is it OK to use 87 octane gas or must you use 91 octane? [V70-XC70][1999]
posted by  someone claiming to be Hugh  on Wed Dec 23 15:05 CST 2020 >


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