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Reduced Engine Performance

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Posts: 36
Joined: Wed Dec 05, 2018 10:28 am
Year and Model: 2003 S60
Location: York County, PA

Reduced Engine Performance

Post by earthworm »

We (Volvo and I) are suffering from ''reduced engine performance'' , sporadically. Once in a lifetime is enough! The ONE thing she does not do is stall. The power drops suddenly from 100% to about 10% - extremely dangerous, needless to say.. This occurs at highway speed, this time, going up a slight hill on I83. no other ''warnings'' other than "service required'' ... I do all my own work - dealers cannot be trusted here in York County, PA.
2003 Volvo S60, T, 5, AWD, 140K on the clock
Otherwise the car and the engine is clean, powerful and fairly easy on gas ..
Posts: 20
Joined: Sat Jan 18, 2020 10:25 am
Year and Model: 2000 V40
Location: So. California
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Re: Reduced Engine Performance

Post by Navservice »

I found, a while back, that a $20 ELM 27 (I think) OBD2/Bluetooth adapter was worth it's weight in gold. I use Torque Pro on my Android phone to communicate with it. Frequently, especially on trips, I leave it running while I drive so I can have more meaningful displays available to me. Or course, it will also notify me verbally if any codes pop up and will allow me to try to clear them. If your problem is intermittent and only shows up while you're driving, I'd suggest you do the same. When I installed Torque it was one of the few apps available for OBD2. The guy that wrote it continually improves it and I doubt he's getting rich from it. That's why I paid the equivalent of a couple beers and got the "Pro" version.
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