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Hard to start then black smoke out exhaust rough idle

\015 Hard to start black smoke out the exhaust goes dead when putting ingear\015 Posted / edited by AnonymousUser on : 18-06-2018

Answers :

Check the fuel pressure regulator. It may be bad. Pull off the vacuum hose to it and check for any sign of gas in the hose. A busted diaphragm in the regulator could let extra gas into the intake through the vacuum hose. The black smoke indicates it is getting too much gas-running rich.
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