Topic: Focus P0171 (Read 1988 times)

Doctor Gollum · « **on:** 11 September 2016, 22:26:09 »

As above, starts ok cold, but gradually misfires and dies as it warms up to the point of being undriveable...

Only code is P0171.

Nick W · « **Reply #1 on:** 11 September 2016, 22:33:13 »

Time to be looking for a vacuum leak.
Start it up and wiggle all of the hoses connected to the inlet system.

dbug · « **Reply #2 on:** 12 September 2016, 00:28:09 »

Try disconnecting MAF

Doctor Gollum · « **Reply #3 on:** 12 September 2016, 00:30:15 »

Try disconnecting MAF

Done, no change. $:-\$

dbug · « **Reply #4 on:** 12 September 2016, 00:48:30 »

Not the MAF then - I'd go with vac leak then.

Doctor Gollum · « **Reply #5 on:** 14 September 2016, 16:15:46 »

Time to be looking for a vacuum leak.
Start it up and wiggle all of the hoses connected to the inlet system.

First prize to Nick

Two blanking caps on the back of the throttle body...

Picture shows the better one

Cracked a plastic vac hose in the process, but car now fixed.

Net cost, about 2p

STEMO · « **Reply #6 on:** 14 September 2016, 16:26:38 »

That bonnet could do with a lick of paint

Doctor Gollum · « **Reply #7 on:** 14 September 2016, 16:30:26 »

That bonnet could do with a lick of paint

I rub it back periodically so that the bin men know which bin it is