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Tune car up new plugs new wires and cap runs great in idle power cuts off at 4000 rpm in park. put drive car cut off at 20 mph . why

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  • Cars & Trucks Master
  • 660 Answers

Check that the wires are in the correct places. (google search the correct firing order/wire locations)
Check spark plug gap.

Posted on Dec 28, 2016

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Posted on Jan 02, 2017

  • 23 Answers

SOURCE: Engine cuts out

it sounds like you may have inadequate fuel pressure or restricted catalyc converter.

Posted on Oct 03, 2008

  • 2 Answers

SOURCE: Very Rough Idle and sometimes cuts off while idling




sounds like bad Idle Air control valve Not Cheap


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Posted on Feb 21, 2009

  • 3 Answers

SOURCE: i have a 1988 jeep

Hey guys I had the same problem on my '87 YJ. My computer went bad and it was causing the same dilemma. Try replacing the computer or do a nutter bypass and it should run like you want it to and probably give it a little more hp.

Posted on May 06, 2009

jmgldsmth
  • 1869 Answers

SOURCE: Cuts out at 4000 rpm in neutral and bogs while driving

repair or, replace the MAP flap switch on your engine's intake tube this switch measures the air volume admitted into the engine so that the engine computer can adjust timing and, fuel injector speed.

Posted on May 20, 2009

rockitman187
  • 2559 Answers

SOURCE: rough idle

Check or replace the EGR

Posted on May 27, 2009

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I have 1998 vw cabrio just did a tune up runs great in idle put in drive car dies at 20mph can get car to 45 mph but very slowly why?


sounds like either the spark plugs weren't gapped right or the wires are in the wrong locations.
Google search the firing order and check the wires/loactions first, then if they are correct, have a look at the spark plug gaps.

Dec 27, 2016 | 1998 Volkswagen Cabrio

1 Answer

Hesitation ONLY OVER DRIVING AT 3000 rpm LACK OF POWER


Sounds like the distributor is causing problems. The distributors are known to have bearing wear problems, so even if the cap is recently changed, you might need a whole new distributor. At the very least, it sounds like a tune-up may be needed: new spark plugs, wires, and distributor cap.
Also, if you have the V-6, the timing belt needs to be changed every 105,000 miles. a timing belt with stripped teeth could be causing your issues, and if the teeth are stripped it probably won't be long before the belt lets go and you completely ruin the engine. It's an interference engine, so without proper timing, the pistons can make physical contact with open valves, causing bent valves or connecting rods. At that point it is cheaper to replace the whole engine rather than tear it apart and rebuild it.

Aug 24, 2014 | 2000 Nissan Frontier

1 Answer

Pathfinder "cuts out" at 2,300 rpm


Replace your MAF, its a little pricey around $280.00 or so but this will clear the code but make sure you have the ECM reprogrammed to perform a "learning" sequence since sometimes the code will not clear even though the vehicle will run like new. This reprogramming will most likely have to be a dealer performed procedure.

May 02, 2013 | 2003 Nissan Pathfinder

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Dear sirs...HELP!!!! ok we had issue w/ code P0303 and replaced plugs & wires...ran better when started up until I got ready to drive around block to test drive...idle seemed little rough when in park...


p0303 is cylinder 3 misfire. Check that plug, boot and coil. . You can move this coil and boot to another cylinder to see if the code changes. If it does, you have a bad coil or boot. Its most likely the spark plug boot on cyl 3.

May 02, 2011 | Ford Taurus Cars & Trucks

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2002 montero sport 3.5L V6 It has a rough idle, when in park rpm's run around 700rpm's and a 70 mph they run about 2600 to 2800 rpm's, noticed the motor cutting out, but has not died, it's just like a...


Hi and welcome to FixYa!

Yes it can be the oxygen sensor but I strongly suggest that you have a tune up too to correct the issue.

Hope this helps and thank you for using FixYa!

Nov 27, 2010 | 2002 Mitsubishi Montero Sport

1 Answer

93 Lincoln Conti. Runs rough in gear


Probably a bad idle air motor, it controls idle electronicaly

Aug 30, 2009 | 1993 Lincoln Continental

1 Answer

Rough idle


Check or replace the EGR

May 27, 2009 | 1995 Chevrolet K1500

1 Answer

Engine cuts out


it sounds like you may have inadequate fuel pressure or restricted catalyc converter.

Sep 21, 2008 | 1996 Ford Taurus

2 Answers

Car starts and idols fine but once you get it to 4000 rpm it cuts out and then every time you hit the gas it will accelerate then cut out. it doesn't die out until you do this for a long time.


Ya know First i never drive a car at 4ooo RPMS cant remember when but anyway.
Check the Intake Air tube the goes into the air cleaner and throttle body for cracks and cuts and being loose. Fuel Pressure have it checked while you are driving to make sure your noy loosing fuel pressure at the high Rs. Ignition System Factory Plugs and wires no fancy discount suppose to increase horsepower stuff

Aug 05, 2008 | 2001 Pontiac Grand Prix

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