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1998 Volvo s70 non turbo 2.4L gasoline... Was driving on Highway car start jerking back and forth, give it gas it wants to die, keeps fouling plugs, can small it running rich... Won't start now??

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  • Tim Wallace Apr 20, 2017

    Have went through 3 sets of plugs, changed Idle Air Control Valve, MAF, Fuel Pressure Regulator, Camshaft Sensor, Fuel Pump is less than year old...



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  • Volvo Master
  • 24,759 Answers

I would check the ignition modules.

Posted on Apr 20, 2017

  • 5 more comments 
  • Tim Wallace Apr 20, 2017

    Where are the Ignition Modules at on my Volvo and how do I check them exactly?

  • Tim Wallace Apr 20, 2017

    Are you referring to ignition coils?

  • JonSnell Electronic
    JonSnell Electronic Apr 20, 2017

    The S70 and V70 have the same engine and on top of each plug is a module. The insulation breaks down when warm/hot.

  • Tim Wallace Apr 20, 2017

    Yes you are right, but the early S70 models didn't have ignition coils, which is what mine is. Mine has ignition wires, distributor cap, rotor button, etc..

  • JonSnell Electronic
    JonSnell Electronic Apr 20, 2017

    Sorry I don't go back to those but still check the electrics as if not firing the plugs will foul. Good luck.

  • Tim Wallace Apr 20, 2017

    I appreciate your help as I was able to fix it, turned out to be the coil. Thanks for giving me a solid lead and direction!

  • JonSnell Electronic
    JonSnell Electronic Apr 21, 2017

    Pleased to help. Volvo owners rule!



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SOURCE: Do I need to remove the dash to remove a heater

Don't remember exactly , but I think it could be done without dash removal.
It's done from driver side footwell area , tight but possible.
You have to take out lower center consol side cover , next to the accelerator pedal and roll the carpet out of the way, and you will see the heater core case. Remove cover on the case (some have it on the side , some on the bottom).Two pipes going from firewall to the core have to be disconnected before core removal (will leak coolant , have some rags on the floor to absorbe it).
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Posted on Jun 30, 2010

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SOURCE: my 1998 volvo s70 go died when idle at stop i

I'm having the same problem. At first I thought it was bad fuel so I replaced the fuel filter to no avail. Then I cleaned the Mass Air Flow sensor which also didn't work. Is your check engine light on?

Posted on Aug 13, 2010

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SOURCE: 1998 volvo s70 distributor leeking

just remove distributer knock roll pin out holds bottom gear on remove bottom gear pull shaft out of dist. housing replace o-ring seal and reassemble, not really that hard

Posted on Mar 22, 2011

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SOURCE: I have a 1998 Volvo

Get an OBII scan done (any good parts store can do it) Sounds like O2 sensors but have scan done & codes will identify the problem(s)

Posted on Apr 02, 2011

  • 1 Answer

SOURCE: Where is fuel filter on 1998 Volvo S70 non turbo?

the fuel filter is located underneath the rear passenger seat next to the canister box (the canister looks more like an air filter box housing. All you need is an 1/2 inch key to loosen one screw and pull on one end of the hose/tube to release it from the fuel filter. Pull opposite the unit. your best solution is to look to buy it on line so you have an idea as to what you are looking for then check against the info provided to you. I just did mine 15 mins. next to the rear tire. You will need to jack up the rear tire for easy access

Posted on Dec 30, 2011

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1 Answer

My 1998 Volvo S70 keeps dying while driving. I wait a bit and it starts up again.if I accelerate to go with the flow of traffic it dies unable to get on freeway for fear of it dying help me please

Try make a OBD readout. Perhaps there are a troublecode stored in the system.
The relay to operate the gasolie pump in the tank can be defective so the solder is getting hot and loses contact.

Jun 10, 2016 | 1998 Volvo S70

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What do I when my 98 volvo s70 2.4L engine has trouble codes po133 & po442?

Po133 is and oxygen sensor code. Replace the front oxygen sensor use a bosch or OE sensor only. P0442 is and evap system leak. Most common fault is a cracked hose at the evap cannister at the right rear of the car.

Mar 19, 2015 | 1998 Volvo S70

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sounds like a coil issue

Sep 03, 2012 | 1998 Volvo S70

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Car dies while driving and at stops

Sounds like a weak fuel pump.Check the pressure it should be 58 psi if its turbo charged and 44 psi if its not.

Jan 31, 2012 | 1998 Volvo S70

1 Answer

My 1998 Volvo S70 occasionally dies at stop lights or in heavy traffic. It will go weeks without a problem but then die repeatedly and I can barely keep it running long enough to get off the highway or...

I hear that, about parts not necessary. Quite a discrepancy among those mechanics. All I could say is to find a mechanic who is familiar with Volvos.
My suggestion,. without knowing what codes were given, is that possibly your throttle body needs cleaning. This is where the air enters the engine, and carbon or fuel deposits tends to build up there. It can get black and dirty over time, and cause problems like rough idle or hesitation.
But anyway, find a smart and honest mechanic-not always easy, but they should be better than guessing after getting the codes.

Mar 29, 2017 | 1998 Volvo S70

1 Answer

My 1998 Volvo S70 occasionally dies at stop lights or in heavy traffic. It will go weeks without a problem but then die repeatedly and I can barely keep it running long enough to get off the highway or...

underneath the front of your car, there is a big plastic tube going into a radiator looking thing ( not the coolant radiator) this tubing is for ur turbo. ull notice similar tubing on the top. one plastic tube at a time go around and look for any cracks u might see but the big problem usually lies where the tubes connect via hose clamps and rubber sleeves. especially the tube going into the cooler under the front of the car. look carefully and get underneath there. takes any plastics off to see. im tellin u if one of those tubes lets outside air in it will cause issues, its called unmetered air that doesnt cross the path of the maf sensor. look around very well ive seen many of these with the same systems. grab the tubes and move them around.

Oct 01, 2010 | 1998 Volvo S70

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I have a 98 volvo s70 and i dont know the engine size how do i figure out the difference between 2.3 or 2.4

All S70's have a 2.4 liter. There should be a numbers like 2.4 or 2400cc or something like that. The 7th and 8th vin digit is the engine. 55 is a B 2454 S engine. If unsure call the dealer parts dept and they can tell you, based on the VIN number.

Nov 19, 2009 | 1998 Volvo S70

1 Answer

Jerking and Dying while driving(highway)

Start with changing the fuel filter. If that doesn't do it, then change the fuel pump.

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