check that EGR!
So about two weeks ago, during that cold snap we had, my Pajero suddenly started losing power and began to produce heavy black smoke and even knocked on heavy throttle. First thing I thought was frozen fuel filter (it was pushing -40) so I limped the truck home with a new filter, but no joy. The problem got worse, could barely start it, even when plugged in. Several friends theorized a bad injector, but I wasn't convinced, since they'd been rebuilt 60k kms ago. I checked them anyway, but they all seemed fine (got the truck running smooth, then cracked them one at a time and watched for the one that didn't affect the idle).
At the suggestion of some UK friends, I decided to check my EGR valve. The valve was non functioning when I got the truck so I had blanked it off and thought no more about it...when I took it apart again, now three years later, the problem was immediately apparent: I had blown a hole through my blanking plate!! Exhaust gases are more corrosive than I realized! Wow.
So... I got heavier gauge sheet metal, then DOUBLED it up and made a new, stronger plate to sandwich in between the valve and the engine, and BAM. Problem solved. Smooth starting, power, no smoke.
So the moral is, yet again, check the simple stuff first! How many times do I have to relearn this lesson?
Oh, and CHECK THOSE EGRs!
Cheers,
Phil
Current: 1997 Pajero Evolution no.581, 2013 Lancer Sportback, 2003 Montero
Not forgotten: 93 Pajero, 91 Pajero, 96 Evo4, 91 Galant AWD, 89 Montero, 89 Raider, 88 Raider...