help! recurring problem w/ engine
#1
help! recurring problem w/ engine
Just discovered this forum today and wanted to get some advice/insight from you fellow users:
In the past 6 months or so, I've been having problems where the engine starts to rumble a lot harder causing the car to shake. When I stop the car and get out, I can smell a foul odor coming out of my engine. If it gets bad enough, the s80 gets to a point where it will not allow me to drive faster the 30 mph. I've attempted to have this issue fixed 3 times!
The first time the mechanic switched out my spark plugs. That seemed to fix the problem for 2-3 weeks. The same problem hit me again and I took it back. They told me now that my catalytic went bad on me. I took this car to Midas because they offered a better price on a replacement catalytic converts (OEM). That solved my problem for a month or so then I got hit w/ the same problem. Took it to a Volvo specialist and they spent a week trying to figure out what was wrong. They noticed the spark plugs were mis-firing due to the black smudges on the spark plugs. Once again I had the spark plugs replaced (they didn't think there was a problem w/ the spark plug coils). Fast forward 2 months later and it's the same thing all over again. Any ideas what's the real reason behind all these problems?
Just happened to do more research online when I got a settlement letter regarding volvo's and their faulty EMT's (not sure if this is even related).
Any ideas?
In the past 6 months or so, I've been having problems where the engine starts to rumble a lot harder causing the car to shake. When I stop the car and get out, I can smell a foul odor coming out of my engine. If it gets bad enough, the s80 gets to a point where it will not allow me to drive faster the 30 mph. I've attempted to have this issue fixed 3 times!
The first time the mechanic switched out my spark plugs. That seemed to fix the problem for 2-3 weeks. The same problem hit me again and I took it back. They told me now that my catalytic went bad on me. I took this car to Midas because they offered a better price on a replacement catalytic converts (OEM). That solved my problem for a month or so then I got hit w/ the same problem. Took it to a Volvo specialist and they spent a week trying to figure out what was wrong. They noticed the spark plugs were mis-firing due to the black smudges on the spark plugs. Once again I had the spark plugs replaced (they didn't think there was a problem w/ the spark plug coils). Fast forward 2 months later and it's the same thing all over again. Any ideas what's the real reason behind all these problems?
Just happened to do more research online when I got a settlement letter regarding volvo's and their faulty EMT's (not sure if this is even related).
Any ideas?
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