mybird67 Posted October 11, 2006 Report Share Posted October 11, 2006 This spring I bought a 1999 V70 with 98,000 miles. It is the first manual transmission car I've brought home that my wife actually likes, so it is important that I find a solution to this problem so we can keep it. The car has developed a hiccup or hesitation that is random and intermittent. It has caused the check engine light to come on after doing it several times. The code reads that one or more cylinders has misfired. We have changed the plugs, the wires, and have replaced the rotor and cap - all with OEM Volvo parts. The problem has not gone away. From reading other posts it seems that the coils are next? True? What else do I check, and in what order? Very frustrating, this is our first Volvo and we are very predisposed to like it...would be a shame if the first one turns out to be the only one! Thanks! Link to comment Share on other sites More sharing options...
leurven Posted October 11, 2006 Report Share Posted October 11, 2006 Not sure coils are a common problem but it could be the problem here. Have you checked the injectors and all that for leaks or what have you? Seamus probably knows what is going on with this. Never heard of this problem myself. Link to comment Share on other sites More sharing options...
dmelviØØ7 Posted October 12, 2006 Report Share Posted October 12, 2006 I have seen the coils go out, it's not a rare problem. Wait cap and rotor? You sure it's a 99? Link to comment Share on other sites More sharing options...
leurven Posted October 12, 2006 Report Share Posted October 12, 2006 I have seen the coils go out, it's not a rare problem. Wait cap and rotor? You sure it's a 99?Ah good point.Could be coil on the 98 even. Link to comment Share on other sites More sharing options...
mybird67 Posted October 12, 2006 Author Report Share Posted October 12, 2006 Oops, my bad, it's a 1998. D-uh. It's my first Volvo...checking the coil today. Link to comment Share on other sites More sharing options...
dmelviØØ7 Posted October 12, 2006 Report Share Posted October 12, 2006 I've seen a head gasket cause a misfire, could be a stuck valve also. Time for compression and leak down test. Link to comment Share on other sites More sharing options...
MrWinkey Posted October 13, 2006 Report Share Posted October 13, 2006 So you have a 98 with a random missfire P0300 I assume...and you used OEM parts are you SURE they are OEM cap and rotor and no Bosch plats? If so and it's a turbo car perhaps you need a better quality fuel or a total extreme possibily I have only seen it once... a bad crank sensor in the bell(that is on the extreme end) ;) Link to comment Share on other sites More sharing options...
Guest Jim Kuson Posted October 14, 2006 Report Share Posted October 14, 2006 This spring I bought a 1999 V70 with 98,000 miles. It is the first manual transmission car I've brought home that my wife actually likes, so it is important that I find a solution to this problem so we can keep it. The car has developed a hiccup or hesitation that is random and intermittent. It has caused the check engine light to come on after doing it several times. The code reads that one or more cylinders has misfired. We have changed the plugs, the wires, and have replaced the rotor and cap - all with OEM Volvo parts. The problem has not gone away. From reading other posts it seems that the coils are next? True? What else do I check, and in what order? Very frustrating, this is our first Volvo and we are very predisposed to like it...would be a shame if the first one turns out to be the only one! Thanks!The 1999 v70 has no cap and rotor----what's up? Link to comment Share on other sites More sharing options...
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