Question about Volvo 240

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Eratic acceleration,sometimes has good othertimes just dogs and shakes,starts good,did plugs,wires,cap,rotor,fuel and air filter

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Check shock absorbers

Posted on Nov 13, 2009

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What does it mean when my truck sputters when I accelerate?


Probably needs a tune up. plug wires, spark plugs, distributor cap and rotor. Also change the air filter and fuel filter and crank case filter as well as PCV valve (positive crankcase ventilation valve) this valve scavenges harmful acid deposits or blow by and reburns it and sends it out the exhaust pipe. Examine everything before you buy new if the plugs look good just reset the gap if the wires look good move on to the cap and rotor. you can find images on the internet to look at to compare condition of most parts at least just by look. if that does not do the trick you may have to take it to a mechanic. be sure you tell them all you have done. start with plugs cap and rotor then fuel filter. Check the air filter if you cannot see light through the paper element replace it for sure. the sputter can indicate not enough fuel or insufficient spark to ignite the fuel.
spark plugs can do wonders if they have not been changed for a long time. the fuel/combustion deposits rob the spark from jumping the gap which ignites the fuel under higher cylinder pressures. when the spark travels directly to ground without jumping the gap the cylinder makes no power.

Feb 15, 2015 | 2007 Chevrolet Chevrolet Silverado 1500

1 Answer

1986 4runner starts good just misses bad and wont accelerate


I would first start with the coil, distributor cap, rotor, spark plugs, and the spark plug wires. If that doesn't fix the problem, I would then change the fuel pump (located in the gas tank) and the fuel pump relay switch (located in the kick panel on the driver's side). If that still does not fix the problem, I would change out the Air Flow Sensor (located on top of the air filter box), and the Fuel Sensor (located where the air filter tube attaches to the intake manifold).

Jan 21, 2013 | 1986 Toyota 4Runner

1 Answer

Will not accelerate fast without popping and sputtering, but will accelerated slow just fine


you have a miss fire under load the most common cause is a bad spak plug wire, if you give it a good old tune up it should take care of the problem.

spark plugs, spark plug wires, distabutor cap and rotor, air filter, fuel filter, and PCV valve.....good luck

Jul 26, 2011 | 1990 Honda Accord

1 Answer

My 1996 oldsmobile 88 has been running terrible for the last month and gets worse every week. It won't go when I have the gas pedal floored sometimes, and then it will slowly get up to speed but takes...


Hello there good man or woman

Lets start off like this there is 50 different things that can cause these issues but will start with the simple things in a list. So here it goes

1. bad spark plugs (carbon fouled,fuel fouled,oil fouled, heat glazed, or just worn out rounded electrode's )
2. spark plug wires (there is no simple way to check this but there cheap and easy to try)
3. distributor cap & igniton rotor (or coil pack if so equipped) could be corroded carbon glazed heat glazed again thought both rotor button and distributor cap are cheap and easy to change. If it is a coil cheap to and just as easy on both this is were plug wires connet to on the oppsite end of spark plugs.
4. coil pick up (this sits underneath distributor cap and rotor and is cheap and easy to fix aswell)
5. clogged air filter
6. bad pcv valve
7. bad egr valve
8. bad fuel pressure regulator
9.bad fuel pump or clogged strainer
10. vaccum line leaking or off

I know with all that being said may sound overwelming but most are easy to fix and cheap this is what i would so first do a good tune up this includes new spark plugs , plug wires, air filter , pcv valve,fuel filter distributor cap and rotor (or coil pack if so equipped ) .

That will most likley fix your problem

If it helps please leave 4 thumbs up and if it works a testomnial thanks

May 20, 2011 | 1996 Oldsmobile 88

1 Answer

My car in a very good state but sometimes it has very poor acceleration and the engine sound changes.i've replace the air and fuel filter and the catalytic converter,but the problem is still there. can i...


Hello, The problem is in your spark plug wires they are probably too old this causes not enough fire to flow to your spark plugs. also you should change your distributor cap and rotor.

Dec 17, 2009 | 1992 Honda Accord

2 Answers

Hi, I have a 2006 Altima with 31,500 miles. Recently, the engine start shaking when car is Idle but I still feel the shake when driving or at red lights. My second problem is a weird loud (humming) noise...


You don't need to change the spark plugs since it has only 31.5 K. The plugs should last 60K. There is a an adjustment at the gas cable end at engine to increase the idle a little bit. You can increase rpm at idle to 600 RPM. Since your RPM at idle is low that why it is shaking at idle, red lights. Let me know it it is shaking at high speed ( 2500 RPM)

Sep 13, 2009 | 2006 Nissan Altima

1 Answer

My 91 3.1L V6 pontiac firebird is driving a bit rough. first of all sometimes when you start to accelerate the engine POPS loud. sometimes just once but other times alot more often. and it sounds very...


Looks like you're engine's skipping and it could use a good tune-up, spark plug and wires, distributer cap and rotor, air and fuel filters and you should be in bisness.

Aug 04, 2009 | 1991 Pontiac Firebird

1 Answer

Hesitates on acceleration


Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

Apr 10, 2009 | 1983 Chevrolet Chevy

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