Question about 1998 Volvo V70

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Brake, ABS,STC,CHECK ENGINE LIGHTS ON.

First brake and abs come on after about driving 20-30 miles. they go off and stc light comes on. this is while on the freeway. when i get to surface streets, and come to a stop an arrow starts flashing and check engine light comes on. when i try to eccelarate the car moves very slow then it goes. this is when all lights are on. when brake and abs go off, stc, and ck eng, stay on it seems to switch gears fine. Help!!

brake and abs are on and off during the drive.

jflores

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Sounds like 2 issues. First check for ABS codes Volvo has lots of issues with this. If you have a speed sensor code for the right rear wheel speed sensor that keeps coming on, then you need a computer. The check engine light and flashing arrow indicate a transmission issue. Scan the Vehicle for transmission codes.

Posted on May 01, 2015

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Try unhooking the battery wait few minutes then reconnect battery it should reset computer and everything should be ok. If the problem reoccurs after that then get a diagnostic test done at dealer. sometimes its just a simple glitch and just needs to be reset.

Posted on Apr 18, 2013

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I had the same problem which was diagnosed incorrectly 3 times
Could be one of 2 things you may want to check
Have a tech read your codes
Have the ABS Control Module checked by a technician. If that is ok then make sure they look at the altenator
In my case, I was getting voltage spikes that were shorting out system controls -the ABS Control Module and the battery, etc. Once they put in a new altenator, the problem was fixed.

Posted on Dec 02, 2008

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