Question about 2003 Ford Ranger Regular Cab

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Ranger clatters under acceleration, occasional heavy oil smoke

My brother in law just picked up a used Ranger ~2001 with the 4cyl and manual trans and 140,000miles. It clatters under acceleration sometimes likely due to when you need to downshift(ie going up hills) because there is no tach. Occasionally the clatter is really severe when it is normal acceleration on flat ground though. When the oil is at the low end of the hash marks on the dipstick the exhaust is fine, but when it's full of oil it will occasionally blow out a huge oil smokescreen during acceleration when rattling. The oil cloud only happens once every 10 times you accelerate though. it is burning a lot of oil obviously with this problem!

Are the rings shot, is it carbon buildup? bad knock sensor? I'm confused because of the huge amount of oil burnoff that only happens randomly. it's even harder to diagnose because he's stationed in Belize! hopefully he can find a mechanic with a scan tool, but I thought I would ask around here for help.
Thanks!

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You need to do a top end engine clraan buy from the GM dealer the top engine cleaner clean the engine and also put mid grade gasoline in and put in lucas gas treatment and see if it helps. Clean air cleaner and replace PCV.

Posted on Jun 28, 2009

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