Question about 1998 Toyota 4Runner

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Chk engine light on power decreases when put in gear

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Take to someone you trust and have it put on engine analizer as there is something affecting the performance .....

Posted on Oct 04, 2009

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My clutch pedal goes all the way to the floor . Could this cause decrease in power

A clutch pedal normally does go all the way to the floor. If you can shift gear without a crunch, it is disengaging OK.

The loss of power could mean the clutch plate is worn and is slipping when engaged. There is a crude test for this. Start the engine and idle it. Apply the footbrake firmly, depress the clutch and put the gearbox in 3rd. Let the clutch out slowly. If the engine does not immediately stall, the clutch needs replacing.

Nov 26, 2015 | Cars & Trucks

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I am experiencing power loss from my 2.0tdi 140 A4. seems like massive turbo lag. Started with juddering at low revs in 1st & 2nd gear, then complete loss of power. Starts ok & idles but no pulling...

these vehicles are known for ignition coil failure. typical symptoms include: Misfire, power loss, vibrating engine, poor fuel consumption. If the vehicle's engine vibrates, it be misfiring. Is your chk engine light on???

Sep 29, 2010 | 2006 Audi A4

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2000 toyota Avalon engine light on and car loses power or pressure when driving. Appears to shift into another gear or decreases gears

It is running in limp in mode you need to take it to autozone and get engine codes or go to toyota and have them pull codes, you could damage the car if you keep driving it. Without the codes it's hard to tell whats wrong, but be sure engine oil is full and the transmisson oil is full and the water in the radiator iss full, don't trust the overflow tank and check the radiator when cold.

Nov 20, 2009 | 2000 Toyota Avalon

1 Answer

Sounds like a vibration from the rear end. how could I see if the rear end is the problem? I was thinking about jacking up the rear of the truck, (and of course using jack stands and blocking the wheels,...

thats a good start. also dont forget to chk your u-joints. while its in the air have someone put it in gear and slowly accelerate. if noise or vibration have them apply the brakes and see if problem decreases. most of the time though i have found a bad u-joint to be the problem and the only way to really chk it is to drop the rear of the drive shaft and make sure that the u-joints move freely with no slop

Nov 14, 2009 | 1996 Ford Ranger SuperCab

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maybe a servce light had a simular problem on my v8 ss and all it was was time for a service

Oct 30, 2009 | 2007 Hummer H2 SUT

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04 disco 2.reverse forward gears.m and s light.

Take it in for a check of the computer module that controls transmission and for the engine ECM or PCM. Sounds like it could be a computer malfunction.

Aug 16, 2009 | 2004 Land Rover Discovery

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Check engine light flashes at 30 mph, vehicle rocks

Probably is a belt. Look under the hood while its doing this and see whats smoking. Look at the alternator,power steering, etc... You will be able to see the problem. If not, take it to someone who can put it on a computer while the chk engine light is on. Good luck

Mar 17, 2009 | 2002 Pontiac Grand Am

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2005 chevy silverado still will not start

i would have to take an educated guess and say its the fuel pump, but the first thing to do is chk. fuel pressure if pump runs, canyou hear it when you turn the key to the on position? if not chk. fuse if thats ok, chk. relay should be under hood. turn key on and listen for a click if you hear a click than relay is working, but its not the same for fuel pump they can sound like there running but it might not be putting out any pressure thats ware fuel pressure chk. comes in. now if fuel pressure chks. out ok than its most likely electrical. if you know of someone around your area that would scan the computer for you would help, sense you said chk.engine light was on, might give you a good idea whats up.

Jan 12, 2009 | 2005 Chevrolet Silverado 1500 2WD

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