Mondeo running issue - Ford Forums

growlerman · 07-30-2007, 11:36

Guys

I'm having a major problem with my 1996 1.8LX Mondeo. My problems is that if I take the car on a steady run the car will start hestitating when pulling from 2000 rpm. This will then get worse until it feels like it's running on 2 - 3 cylinders and the tick over will be all over the place and finally stall. If i stop the car and turn off the ignition and wait 2 mins the fault will clear instantly but will return later on the journey. If I drive the car around town only the fault doesn't appear only on a staedy run ie motorway.
To date the following have been changed

Coil Pack
HT leads
Crankshaft sensor
Idle control valve
MAF

Can you help?

Regards
Dave

thefonz · 07-30-2007, 19:33

Checked fuel pressure? When was the last time the fuel filter was changed?
Good spark at the plugs?

growlerman · 08-02-2007, 09:25

I've had two mechanics look at it, both seem to think it's electrical rather than fuel. A diagnostic box was plugged into the ECU but revealed no fault codes.
The problem starts when you take the car on a long run, starts with a gentle hesitantacy then goes on to feel like your running on 3 cylinders. Idle speed will be all over the place before finally stalling. The engine will restart straight away but its throttle response will be slower.

Camshaft & Crankshaft sensor have been mentioned
Could TPS also cause this?
A secondhand MAF has also been fitted as well as new plugs

help!!!!!

Fordtech. · 08-02-2007, 11:45

Can you hear hissing anywhere on the engine, particularly at the rear?

growlerman · 08-08-2007, 13:06

I can't hear any hissing. No obvious signs of head gasket failure and no air leaks.

replaced the cat and centre exhaust box today as the tech thought the centre box had collapsed, however this has made no difference at all!

Replaced items so far:
Spark Plugs
HT leads
Coilpack
Crankshaft sensor
Idle control valve
Cat
Centre box
suppressor
Fuel filter

What else can it be?????

jimcottom · 08-08-2007, 13:24

I am having the same problem mate, its hesitating throughout the rev range in random gears and at random times, and it is really PISSING me off quite badly as no body seems to have had the same thing happen and offer any solid advice.

Sometimes i really hate my mondeo