Not necessarily. What matter more is how it was maintained for those miles. 135000 in 25 years roughly equates to 11250 miles a year - so to answer your question - No it's not a lot of miles. Of course, I forgot when you asked the question...so I calculated from today's date.
AnswerIts most likely to be the Crank Position Sensor (CPS) failing.
For an almost 8 year old car that is a bit bad. Most people drive on average 12,000 miles per year. So the Cougar was driven heavily at about 16,875 miles per year. So it's not a gently used car.
The timing belt should be replaced after about 70,000 miles. This is when things begin going wrong in the mechanics and it is best to avoid this.
There are several things that can cause your transmission to malfunction with only 48,000 miles on it. The most common cause is a plugged transmission fluid filter.
its the ecm it controls that too
I guess it would depend on if it has been serviced regularly and the price . I bought new and still drive my 1995 Ford Explorer XLT , 4x4 with almost 196,000 miles on it and have no intention of changing vehicles I have the 4.0 liter V6 engine
the manufacture reccomends it be replaced in 90,000 miles
If the filter is mounted in the fuel tank, no. It is replaced when the fuel pump is replaced. If the filter is mounted in the fuel line it should have been replaced every 50,000 miles.
Mine went at 38,000 miles, seems to be a commonly replaced part.
Fats Navarro (who was replaced by Miles Davis)
Not that I know of. I have a 2002 that has 135000 miles and absolutely no problems runs like its new and actually get s better gas mileage these days via synthetic oil! My family has had many Isuzus and never an issue.