Vehicle & Technical > Jeep

Running rough and strong smell of petrol

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bunnykins:
got my jeep back today - 5 hours = labour 3 hours for the manifold and 2 for diagnostic.£270.00 i supplied the manifold.

not happy, it still seems rough and does not seem to be as quick or responsive as before, perhaps i need to give it time to run in ?

they carried out a compression test :
1=90psi
2=95psi
3=95psi
4=90psi
5=100psi
6=105psi
does this look ok ?

thks

Bishops Finger:
Wait for the Docs response on Birtys...

bunnykins:
thanks for all the feedback.

well i am not totally happy since my jeep came back from mansfield, as its not running as smooth as before it went in,
despite them saying i needed a new manifold and the sensor. they havent replied to my email or shown any interest in
helping me sort this out.....they were happy to take the money !

i replace the leads,distributor/rotor/plugs with all new. i have heard that some leads will not work as well as the oem
stuff, has anyone had this ? i feel like putting the old leads back to see if its that.

any ideas are welcomed.

Frankie-Boy:

I'm not that conversant with Jeeps but the symptoms you describe seem to point to overfueling as already said, in the days when I used to run petrol engines, that would seem akin to driving with the choke on, ok when you first start up from cold but running very rich when warm, that would cause it to run badly and make the plugs black.

I don't even know if modern petrol engines have chokes on them, but if they have that's where I'd look.

Sorry about the ramblings of an old bloke  ;) and hope you get it sorted soon  :D

Bishops Finger:
Just had problems with my TJ...thought it was sensor...garage advised non OEM leads were the cause

Runs Ok now..

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