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Question

i have a 97 volvo s90 141000,,miles,,,the car about 6 weeks ago started missing a lil at start up but once it caught it ran ok,,,in the last week,,it seemed to be missing,,,i cuold hear the miss feel it a bit,,i took it to autozone to be coded,,,the meter read,,,number 4 cylinder misifiring.. i have the inline 6,,which one is number 4 cylinder,,,also,,how do u take the coils or plugs out if it is the ciols or the plug,,if u tell me thats the problem..also,,wuold it be expensive to have a volvo dealer fix this,,or tune it up??/ty   mrkiddo

Submitted: 315 days and 21 hours ago.
Category: Volvo
Value: $9
Status: CLOSED
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Optional Information

1997 s90

Already Tried:
just had it read out on the code input..also put heet in tank,,,..thats about it

Posted by Dan 315 days and 17 hours ago.

Answer

It would definitly be cheaper doing it yourself and this is a job you could do. This problem could be caused by low compression, spark plug, coil or fuel injector. First step would be replacing spark plug and if problem still exiists swap a coil with another cylinder to see if problem moves. If problem moves this verifys coil is problem. You can also do the same thing with the ful injectors. Let me know if you have any questions. Thanks

315 days and 15 hours ago.

Reply

underneath the aluminum bar,,in a row are the black things with the plugboots under them,,when i turned the plug boot ..everything turns under it,,is the plug under the boot,,,and r those 6 black things in a row the ciols?where wuold the fuel injectors be?/if u can explain to me briefly..how to get to the plugs and whjere they r and what are the ciols and where r they....id be grateful..ps,,i know i suond dumb,,but i never worked on the newr cars much less the foriegn one..thank u

Posted by Dan 315 days and 15 hours ago.

Info Request

What engine is in this car? Thanks

315 days and 15 hours ago.

Reply

Dan the engine is the 24 valve inline 6 volvo b 6304 s is the typedesignation

Posted by Dan 315 days and 15 hours ago.

Answer

Yes, this is a coil on plug engine. So yes this spark plugs are underneath the coils "where you were looking". You will see the fuel injectors under the fuel rail connected to the intake manifold. If you would like I can give you instructions to replace timing belt and you can decide for yourself if your up to it. Let me know if you have questions. Thanks

315 days and 15 hours ago.

Reply

do i have to take the fuel injector rail off completely..to get to the ciols..and the plugs/are the ciols..under the fuelinjectors ,,,and r the plygs under the ciol/...is the coil the thing that spins under the boot?/ty..after this question i wont bother u anymore ..lol..ty

Posted by Dan 315 days and 15 hours ago.

Answer

The coil and spark plug wire are one whole peice, to remove take off the bolts holding down the coils and they will pull straight up. Once coils are removed you will see sparkplugs. Feel free to ask me questions. ThanksDan39943.2566731481

315 days and 14 hours ago.

Reply

dan..where is the location of the fuel injectors?/,,and..when i pull the ciol and boots all six come off at the same time with the rail??

 

Accepted Answer

Here are procedures for removing/installing coils and injectors. Let me know if you have questions. Thanks

 

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Expert: Dan
Pos. Feedback: 100.0 %
Accepts: 103
Answered: 5/10/2009

Technician

2 Year Auto Diploma and Database Access

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