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Why when driving down the road every now an then on my 95 Thunderbird the RPM rev very high for 10 seconds back an forth

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Air filter, idle air control valve, MAF (mass air flow) sensor, dirty throttle body. I would also recommend doing a tune up on your vehicle and changing plugs, wires and so forth even oil.

Posted on Apr 26, 2017

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1996 Toyota Rav4 RPM Revs high but lose speed


You need the transmission tested for fault codes, it is computer shifted, if all checks ok with the control system then you have a failing transmission that will need to be rebuilt.

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95 thunderbird backfiring through air intake


Something like this is often a stuck or poorly sealing valve. A Vacuum gauge is the least obtrusive way to notice vacuum changes. If a cylinder fails to seal, vacuum will reflect the loss of compression and it will result in a bounce on the meter.

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I have a 4x4 89 s-10 4.3 v6 fuel injection. When I start my truck it idles high. After 30 to 50 seconds the idle goes back to normal. If I put in in reverse or drive when idle is high my back tires spin...


Sounds like the rear pads are worn out, your front brakes are keeping the truck from rolling. You need to have the high rpm checked for that 30-50 seconds as it is called the "cold start routine" and is meant to rev the engine for that time period. There may be an adjustment to keep it from over revving, check the specs for the rpm.

Even if you fix the rear brakes, the stress on the U-joints and differential or transmission is needless and can be fixed by limiting the high rpm in the "cold start cycle".

Jan 13, 2013 | Cars & Trucks

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Hello My 18 year old neighbour bought his first car last week, a '95 Chrysler Stratus 2.0 with manual gear box. Now the tachometer is broken, I was told that there were some plastic parts inside it...


the engine has a rev limiter inbuilt,so after 6250 revs it will cough and sputter.the rev counter is for people who drive to strict rev limits to conserve fuel,and the obvious drivers who drive to the max power/engine revs for "fun"most men drive to the "sound" of the engine,so a rev counter is excess to requirements....save your money.(once he gets his "no claims discount" down he will buy a bmw anyway.........)
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Sep 10, 2010 | 1995 Chrysler Cirrus

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I have a '95 pickup 4x4 and am looking for a way


never get your money back out later if you dont do much offroad reduce rubber size smaller tire size.

Feb 24, 2010 | 1995 Nissan Pickup

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Why is my car red linning at 3500 rpm it cuts out?


you mean driving down the road? or sitting there trying to rev it? if you are just sitting there, its the rev limiter. NORMAL. now if you are driving down the road, there is a problem.

Sep 29, 2009 | 2004 Honda Civic

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Honda CR-V - 2004 - High RPM not returning to Idol RPM ????


i'am no expert on this car, but i would chk. the T.P.S. (throutle positioning sensor) there also may be carbon build up on throutle butterfly, not letting it close completely when you take your foot off the pedel.

Jan 14, 2009 | 2001 Honda CR-V

1 Answer

1994 toyota camry sputters


hi there
sounds like you need a tune up or you need your injectors cleaned
so i will help you clean them with out getting your hands dirty but you need to follow me every step of the way.
first i will give you my tips
  1. get a high quality fuel injector cleaner that you put into your fuel tank
  2. make Shaw you have just under a full tank of fuel
  3. while i never say that one should drive a car like it is a toy you are going to have to do some harsh exhilarating during this
  4. 1000rpm is 1 revs on your dash bored so if i say do 2500rpm it means do 2.5 on your dash (that's only if you dot know what rpm means)
  5. never turn the car off while we do this
  6. please do not speed you put your life and others at risk
  7. please do not drink and drive
OK now for the step by step instructions
  1. have what you need ready to go including the injector cleaner
  2. start your car and let it warm up keep the revs just over 1000 rpm
  3. as the car is running add the fuel injector cleaner
  4. when you have done this i want you to increase the revs to about 2000rpm
  5. keep it like this for about 30 seconds
  6. after the revs are back down to 1000 rpm i want you to get ready to take it for a drive
  7. OK so take it for a light drive around your street keep it very close to home as if your car stops you don't want to have to walk a long way
  8. once you have done this for a while and you feal confident i want you to be a bit quicker in exelarating giving a bit more power remember dont speed
  9. now once you have done this i want you to take her home and let it idle for a bit
    cause you need to get ready to go for a long drive
  10. now that you have got to the bathroom and are ready to go i want you to find a nice open road where you can do 60mph
  11. now that you are here i want you to act like ther is a road train in front of you doing 50mph
  12. now i want you to overtake this road train applying full power by pressing fully dont on the gas
  13. once over tiaken slow back down
  14. i want you to do steps 11 to 13 twice at least
  15. now go back home and let me know how it went
now something to remember for alwase
  1. as stated i dont think you should race or rev the motor all the time to high once a month give it a good run this will loosen and clean all the rubbish from the motor and everythink will run freeley like it should
  2. dont drink and drive
  3. dont speed
  4. saty safe on the roads you life is to valued
  5. and let me know all progress as i want to know if it helped as i pout in a lot of time and effort to helping people on this site
stay safe and happy new year
ricko

Dec 28, 2008 | 1994 Toyota Camry

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