Author Topic: loses power at high rpms (Read 5485 times)

KA4x4Chick · « **on:** May 08, 2011, 07:32:43 PM »

Today was drivin my runner and at high rpms it stopped accelerating. It seems that it is when I push on the gas pedal harder it does it. It feels like maybe the clutch pressure plate?? Any help greatly appreciated

junya92toy · « **Reply #1 on:** May 08, 2011, 07:39:27 PM »

while stopped or barely moving put it in 4th and dump the clutch, see what happens.

Sparkplug · « **Reply #2 on:** May 08, 2011, 07:54:30 PM »

Quote from: junya92toy on May 08, 2011, 07:39:27 PM

while stopped or barely moving put it in 4th and dump the clutch, see what happens.

and wait for the smell......

junya92toy · « **Reply #3 on:** May 08, 2011, 08:06:42 PM »

Quote from: Sparkplug on May 08, 2011, 07:54:30 PM

and wait for the smell......

Sorry I sharted

KA4x4Chick · « **Reply #4 on:** May 08, 2011, 08:14:49 PM »

So I can just go out and start it put in 4th and see?

Tofudude · « **Reply #5 on:** May 08, 2011, 08:19:31 PM »

Check your clutch pedal free play, might be slipping...just

KA4x4Chick · « **Reply #6 on:** May 08, 2011, 08:25:45 PM »

It makes sense that itd be the pressure plate and clutch cuz it only does it with the gas pedal more than half way down. The tranny isn't makin noise or shifting any different either

Sparkplug · « **Reply #7 on:** May 08, 2011, 08:40:37 PM »

A lsipping clutch can be from worn disk or woprn pressure plate.Im about 90 precent sure from yopur description your clutch is slipping. If its the disk OR the pressure plate, either way your going to be buying a new clutch kit. What brand clutch do you have in there now?

KA4x4Chick · « **Reply #8 on:** May 08, 2011, 08:49:24 PM »

Its centerforce right now

KA4x4Chick · « **Reply #9 on:** May 09, 2011, 08:38:01 PM »

Would the $80 clutch kit at my local kragen be ok or what should I get? Now its all gears and can't push the gas pedal down hardly any b4 it slows it down kinda feels like it pulls it back

yoshaleng · « **Reply #10 on:** May 09, 2011, 09:48:18 PM »

if you plan on keeping your truck for a long time, go with Marlins HD clutch kit. performs flawlessly and your leg won't feel like it's working out.

RockRescue · « **Reply #11 on:** May 12, 2011, 07:58:40 PM »

Amy i am sure the cheap clutch would work i bet there are thousands of trucks running around with one . BUT for just a little bit more you will be Alot better off . .

junya92toy · « **Reply #12 on:** May 12, 2011, 08:13:46 PM »

stock toy is good too

79coyotefrg · « **Reply #13 on:** May 12, 2011, 09:04:02 PM »

Ive had my Marlin1200HD clutch in my truck since 2002. thats 9 long years of muddin, rock crawlin, snow, deep water, daily driving a 120 mile commute from 2002-2005, and hauled some INSANE loads of scrap metal on a trailer and it STILL performs flawlessly.

And let me tell you, you will either spin a tire or kill the engine when you slip your foot off the pedal.

KA4x4Chick · « **Reply #14 on:** May 12, 2011, 09:05:08 PM »

Is it possible to get the oil off of it with like a cleaner? The clutch was perfect when we did the rear main seal not too long ago thank u all for your support I learn so much on here keep it comin!

79coyotefrg · « **Reply #15 on:** May 12, 2011, 09:08:16 PM »

Quote from: KA4x4Chick on May 12, 2011, 09:05:08 PM

Is it possible to get the oil off of it with like a cleaner? The clutch was perfect when we did the rear main seal not too long ago thank u all for your support I learn so much on here keep it comin!

absolutely, just get 2 cans cause it needs to be very clean

KA4x4Chick · « **Reply #16 on:** May 12, 2011, 09:14:15 PM »

Hmmm will I have to just wipe it or really scrub it? Sponge or brush?

Sparkplug · « **Reply #17 on:** May 13, 2011, 12:06:11 AM »

At this point, id imagine its to far gone to clean. I have had good results myself with all brand clutches BESIDES centerforce. They seem to wear out extremely fast on these toyotas. I dont know if its the tiny engine, the gears in the trans, or the way we drive these trucks, but I swear I hear of more of those cf clutches going bad than any other.

Whaever your pocket can afford is what id go with.

KA4x4Chick · « **Reply #18 on:** May 23, 2011, 12:21:56 PM »

Started the runner to try and move it to fix and it does not sound happy AT ALL! What does a motor sound like when its done for? I've been told now maybe no compression? Anyone??

yotarunner85 · « **Reply #19 on:** May 23, 2011, 02:32:38 PM »

Before you replace the clutch or the engine, have it checked out by someone who KNOWS what there doing so you don't waste your money.

To answer your question a engine thats going bad can make all kinds of noises. Like knocking, rattling, grinding or sometimes a big bang and your done.

Checking the compression is not that hard and a compression gauge doesnt cost that much.

KA4x4Chick · « **Reply #20 on:** May 23, 2011, 02:35:10 PM »

I have someone lookin at it just gettin a second opinion from u ppl too. Already have the clutch so we shall see

toe · « **Reply #21 on:** May 23, 2011, 02:40:55 PM »

With clutch slippage, the rpms rise, but the speed doesn't.....................

KA4x4Chick · « **Reply #22 on:** May 23, 2011, 03:09:17 PM »

It stops at certain rpms depending on how hard I'm pushing the gas pedal

brainlessfool · « **Reply #23 on:** May 23, 2011, 08:15:51 PM »

Quote from: KA4x4Chick on May 23, 2011, 03:09:17 PM

It stops at certain rpms depending on how hard I'm pushing the gas pedal

what stops? the eng? the car?

KA4x4Chick · « **Reply #24 on:** May 23, 2011, 08:19:29 PM »

O I'm sry let me clarify it stops accelerating and will slow down till I let off

toe · « **Reply #25 on:** May 23, 2011, 08:34:09 PM »

That doesn't sound like a clutch problem.

Carb or EFI?

rockin86runner · « **Reply #26 on:** May 23, 2011, 08:37:55 PM »

its EFI and the engin has been done for awile now cuz she dosnt maintain it its had loss of power for awile now cuz she runs it with no oil most the time and drives it at 75mph

KA4x4Chick · « **Reply #27 on:** May 23, 2011, 08:42:13 PM »

Haha leave me alone! Stop bad mouthing me on every post! Grow up and my little 4 banger won't go 75 downhill!! If it didn't have oil how was it running?? Hmmm grow up

RockCrawlerAnonymous · « **Reply #28 on:** May 23, 2011, 10:23:12 PM »

Quote from: rockin86runner on May 23, 2011, 08:37:55 PM

and drives it at 75mph

what does wheel speed have to do with the engine?

toe · « **Reply #29 on:** May 23, 2011, 10:45:04 PM »

No high rpm power could mean the timing chain has jumped a few teeth.

Does the engine rattle?

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