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I've a Ford Mondo ST200 V6 -(2000) When I accelerate the rev’s go high for a few seconds then the car speeds up, this happens at all speeds/gears, what could be wrong with the car?

2007-08-01 10:32:06 · 17 answers · asked by paul_chevtex 1 in Cars & Transportation Maintenance & Repairs

17 answers

Sounds like your clutch is slipping. Try reving it with the handbrake on and lifting the clutch. If the engine does not stall quickly you need a new clutch. Make sure there is nothing in front of you when you do it in case the car jumps forward

2007-08-01 10:37:50 · answer #1 · answered by Alan F 3 · 2 0

Nice car, shame about the clutch.

Don't think they did an auto ST200, so I can only think it's the clutch.

The clutch connects the engine to the gearbox, which then drives the wheels.

If the engine revs rise, but the car's speed doesn't rise. I can only think of two possibilities...

1. The clutch is slipping. Are you able to hold the car on a hill, by 'slipping' the clutch - i.e. do a hill start? Are the symtoms worse?

2. The ST200 is quite a powerful car. Are you just burning rubber? - i.e.the wheels are slipping on the road. Does the traction control light, on the dash, illuminate at the same time the revs rise and the speed doesn't rise? Try pulling away more gently.

2007-08-01 18:34:11 · answer #2 · answered by Anonymous · 0 0

I've never heard of a "Mondeo" (which is what I presume you meant!) until I found it on the web, so take the following with a grain of salt (or, if you prefer, a drop of gas!).

You could have a sticky accelerator spring - - dust and grime get in a lot of places under the hood! - - in which case a little WD40 may do the trick. With the engine OFF, and, preferably, cold, have a friend (or not-so-bad enemy!) gently and slowly pump the accelerator while you look for whatever moves under the hood; that area gets the oil. Don't overdo it; a two-second spray should be more than enough; you might want to cover the area behind it to prevent overspraying; clean-up anything else that gets sprayed, or you'll be smelling burnt oil for days!

It could also be a clogged air or gas filter which is tricking the computer into thinking that you're not getting enough air or gas, so it's forcing your engine to rev higher to compensate. In most cases like this, the "SES" (Service Engine Soon) or "Trouble" light would go on, but you didn't mention that, so I assume that's not the case. But, it couldn't hurt to check! Certainly, the air filter's easy enough to do; if it looks more than 25% dirty or clogged, and it can't be cleaned by just tapping the rubber edges on the side of the pavement, then toss it and buy a new one (usually under $10; a cheap and worthwhile investment, especially if you haven't changed it in 15,000 miles or so); make sure to clear the inside of the air filter housing, as well. The gas filter is another story; it's harder to find and usually out of reach, and, generally speaking, with today's gas quality, it rarely needs to be changed.

In the old days, similar problems were caused with carbureted vehicles which had hoses for the vacuum advance/retard (stop laughing, children!). The rubber hoses often cracked due to age and heat, so they lost vacuum, and, thus, either revved unnecessarily high (insufficient retard), or, conversely, stalled (insufficient advance), and had to be gently pulled off their connections, then cut to get a "clean" end. That simple fix took all of 15 seconds (assuming the rubber ends hadn't melted onto the connections, in which case, it took an additional 30 seconds!), and cost virtually nothing (lord knows what a mechanic charged for the same thing!). ;)

Good luck!

2007-08-01 18:05:36 · answer #3 · answered by skaizun 6 · 0 0

I am assuming you have manual transmission because it slips in all gears. When you shift, try to accelerate gently and see if it is going to do same thing. The clutch shouldn't slip if you accelerate slowly or don't accelerate at all when you shift.
It indeed sounds like clutch problem.
Good luck

2007-08-01 17:54:36 · answer #4 · answered by Mazda man 6 · 0 0

It sounds like maybe the automatic transmission is slipping. If the revs go up *before* the car speeds up, something in the driveline is slipping.

If this is an automatic, check the fluid level first.

2007-08-01 17:36:53 · answer #5 · answered by Bill S 3 · 0 0

I usually recommend that people get a Chilton's manual for their car,as it pays for itself the first time you use it.If I had to guess as I'm not familiar with this car I would look at the tps or" throttle position sensor".You might see if you can get it scanned at a parts store to see if there are any codes.Good luck.

2007-08-01 17:45:21 · answer #6 · answered by sasyone 5 · 0 0

I know I'm just a girl, but it sounds like the clutch is slipping. Watch how many thumbs downs I get now.

2007-08-01 17:34:58 · answer #7 · answered by Rachael H 5 · 4 0

sounds like your transmission is "slipping" i had a 96 ford taurus that did that until one day the whole transmission went out and left a puddle of tranny fluid under the car, needless to say i gt rid of that piece ofshit.... good luck and get your transmission looked at

2007-08-01 17:36:20 · answer #8 · answered by import guy 4 · 0 0

HI,IF THE CAR IS AUTO THEN THE BANDS IN THE GEARBOX NEED TO BE ADJUSTED. BUT THEN IF ITS A MANUAL THE CLUTCH IS SLIPPING AND NEEDS REPLACING IL BET 100% THAT IS THE PROBLEM HOPE I HELPED GOOD LUCK.

2007-08-01 17:40:30 · answer #9 · answered by Anonymous · 0 0

Trade it in for a cruiser me Boyo and get some fresh air in ye lungs and a taste for adventure. Sailin' the seven seas will make a man o' ye.

2007-08-01 17:36:47 · answer #10 · answered by avastthere 2 · 1 0

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