350 Diesel engine smokes and sputters?????????

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Jerseymill
40C crawler
40C crawler
Posts: 24
Joined: Fri Feb 12, 2016 11:11 am

350 Diesel engine smokes and sputters?????????

Post by Jerseymill » Fri Sep 01, 2017 7:33 am

Hey guys I have a 350 Diesel engine question. When I start the engine it sputters for a few minutes and smokes blue. After warm up I throttle it all the way and the smokes clears. Running at full throttle and load there is no smoke and runs pretty smooth. After it gets hot I idle back down and I get blue smoke again. Where might my problem be? Injections? Rings? Valve guides? Thanks in advance?

B Town
350 crawler
350 crawler
Posts: 752
Joined: Fri Dec 11, 2015 7:04 pm
Location: Western Iowa

Re: 350 Diesel engine smokes and sputters?????????

Post by B Town » Fri Sep 01, 2017 11:36 am

Blue smoke to me would indicate oil consumption. Rings or valves/valves guides. Compression testing without a squirt of oil and with a squirt of oil.

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