WebJul 31, 2009 · Discussion Starter · #1 · Jul 27, 2009. I have a 350 SBC in my 1970 Nova. Here's the specs on the engine: 1) 1974 block, 4 bolt mains, steel crank, stock heads/manifold. 2) I have headers and dual exhaust, not the stock exhaust manifolds. 3) Stock Rochester 4BBL. 4) Radiator and fuel filter are new. 5) Stock air cleaner. WebJan 15, 2015 · Rough idle after engine is warm Car starts and runs fine when engine is cold. After engine is warm it idles very - Mazda 1999 626 question. Search Fixya. …
Symptoms of Lean or Rich carb settings on a motorcycle
WebA leaking fuel injector can cause the engine to run rough, which might cause an extended crank and hard start when hot. Kohler Engine leaking issue. A lot of symptoms are … WebFeb 25, 2024 · Joined Sep 9, 2014. 10 Posts. Discussion Starter · #8 · Oct 10, 2014. I tried putting some Heat in the gas tank along with some Lucas injector cleaner, but If that was the case, I would think it would run bad all the time. Even when its warmed up, it will idle ok for 10-30 seconds fine , and then it will sputter. senco ds5550-ac duraspin -7t2001n
350/SBC Runs rough when warm - Need help Chevy Nova Forum
WebMar 8, 2010 · Sounds more like contaminated fuel. Maybe got some water in the diesel. Another possibility would be a plugged air filter (runs fine on startup then needs more air once warmed up). If you were running it in a dusty environment that would clog the air filter. Mar 7, 2010 / Diesel runs rough once warm? #7. Your car engine’s Positive Crankcase Ventilation takes the unburned gases escaping from the cylinders and moves them from the crankcase, allowing them to go back to the engine for a complete burn. Because the PCV valve is working in the engine, it endures a lot of stress and is often filled with contaminants, such … See more The engine compartment is filled with vacuum hoses, all of which can wear out at any point. Over time, these hoses become brittle and crack. If one gets a leak, it causes a lean … See more When the fuel injectors become dirty, a rough idle is just one problem you will experience. You will also notice a sharp decrease in fuel economy. When the injectors get restricted, there’s a significant lack of performance, … See more The Exhaust Gas Recirculation Valve is a vital emission control device. It allows the exhaust gas to enter into the intake manifold, with the sole purpose of reducing emissions … See more Older vehicles with high miles are the only ones on the road with a carburetor. However, there are still enough of them for this to be a problem. … See more Web1987 chevy r20 rough idle. Engine runs rough and/or stalls after warm up when coming to a stop (in gear) or off a high idle (not in gear). Replaced or tried a new IAC, ECU, Distributor, O2 sensor, plugs and Transmission Torque Converter. Engine vacuum is 18in idle, Fuel pressure 68lbsidle, Ignition timing 0deg TDC timing disabled. senco collated nails