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The engine revs and rpm go up but wont go faster then 40mph

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First thing you should do is check your transmission fluid level. This is a common issue when it comes to high rev, and low acceleration. If its a manual tranny, the clutch could be slipping, is their a burning odor coming from your car?

Posted on Jan 15, 2015

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Posted on Jan 02, 2017

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ewashmidas
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SOURCE: can't locate fluid eservoir to add trans fluid

Here how to do it: If you see no signs of leaking from the transmission then the level is probably not low, take it to a transmission shop, transmission repair on this car is not for the DYI.

Ensure that the transaxle case temperature is 70° to 90° F (21° to 32° C). With the engine running, shift transmission through all gears. With engine idling in PARK, remove the check plug from the transmission. If transmission has been overfilled, allow fluid to drain out. If no fluid drains out, add fluid through the TRANS FLUID fill cap under the hood on the driver side in 1 pint (0.5 liter) increments until it slightly flows from the check plug. Reinstall the check plug.

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Posted on Jan 31, 2009

  • 1 Answer

SOURCE: will not accelerate wont even rev past 3500 rpm's

i have a ford fairmont 95 ef that rattles when i accelerate sounds like chains on a bike clunking and wen i put my foot down it wont revv any higher than 3500 rpm and keept jerking about like it was tryna risist going faster and before u ask me yes the car was in drive so it wasnt because i forgot to change gear if any one can help me as to wat the problem might be it would be very much appreciated

Posted on Dec 15, 2009

  • 635 Answers

SOURCE: wont rev up

If your check engine light is on pull the codes.

If not it may be your tps sensor.

Posted on Mar 31, 2010

  • 1 Answer

SOURCE: 1984 Nissan 300zx non turbo VG30E engine wont rev

My vg30 dnt rev more than. 2200

Posted on May 19, 2011

  • 14585 Answers

SOURCE: 1987 mercury grand marquis tends to stall an not

All the above things mentioned are possible. I would personally start with the fuel filter. And if you haven't had a tune up for a while I would consider it. Before the tuneup though I would check the catalytic converter. A fuel filter problem will act like it is cutting out, especially at the higher speeds. The catalytic converter will act like the engine is bogged down even in idle and in park. I haven't seen a fuel filter make the engine rev up and down, but I have seen the catalytic converter do this, usually it is slight. If yours is up and down at around 400 to 500 rpms I would suspect the idle air control motor. Since it is going up and down the motor is working, so probably just needs a cleaning. Also clean the port that goes to the engine. Some are deep, so it doesn't hurt to use a rod (like a coat hanger ) to clean the engine port. Brake clean works best for cleaning these and the throttle body.

Posted on Sep 30, 2011

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2002 jaguar xj8 when I drive it won't go over 3000rpm


Jaguar wont rev 3000 rpm Questions & Answers - Fixya

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Trouble in cold weather


You may be correct with what you think the problem may be, but another good thing to check is your coolant level. A low coolant level could cause false readings from you coolant temp sensor, which in turn will cause an engine hunting condition that you described.

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1 Answer

No engine power driving


Is it automatic or manual...?
-If automatic>>> Make sure trasmission fluid is level.
-If manual>>>> Clutch won out.

Mai lor

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1 Answer

My rpm rev's past 3 car stalls then shifts...sometimes won't shift


Due for a transaxle rebuild,common on that veh

The fact you continued to drive it when it won't
shift correctly & has been slipping, your done

Aug 30, 2012 | 1998 Plymouth Grand Voyager

1 Answer

When i start my bmw it backfires a lot & bunny hops with no power. When it does get a bit of power as soon as i get near 3000 revs it loses power again. Accelerator 2 the floor it wont go faster than...


If it runs that bad, you should have a check engine light and some codes set. Have you tried having anyone read the computer error codes?
Check the plastic tubing from the air filter to the throttle body for cracks.

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1 Answer

My 2001 ford escape suv doesn't go more than 40 miles p.h. when i mean to go faster


Is the engine revving high at 40mph? If so then chances are the trans has not shifted. Is engine very sluggish, or won't rev high, possibly with a hissing sound? If so then you may have a restricted exhaust system.

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1 Answer

Oil lamp lights at 750rpms


750 rpm?

your revs are too low.

The engine speed drives the oil pump via the timing belt.

too low revs = poor pump speed = low pressure.

I'll bet when you rev the idle speed faster, the warning goes off?

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