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Engine runs rough when warm

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 https://malagarc.com

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

Engine Runs Rough When Hot? Engine Troubleshooting. - YouTube

Category:Rough Engine Idle - Common Causes, With Possible …

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Engine runs rough when warm

CAR ENGINE RUNS ROUGH WHEN WARMED UP BUT RUNS FINE …

WebI have a 99 silverado, 5.3 liter 4x4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the … WebAug 25, 2011 · Options. The problem that happens alot is with crank position sensors. Once they heat up to operating temperature they stop work intermittently like a faulty oil pressure sensor does. (only when the …

Engine runs rough when warm

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WebOct 21, 2024 · Air filter/PCV valve. Always check the air filter and PCV valve first. A clogged air filter starves an engine of much-needed air, skewing the air/fuel mixture. On the other hand, a stuck or dirty PCV valve allows too … WebApr 8, 2024 · Hello, I've had my car for about two years now and about 8 months ago it started running rough at idle. A couple months later it started stalling out, so I put new spark plugs and wires. After that it ran better for a couple weeks and then started with the rough idle again. I had it checked for a vacuum leak, but nothing showed up.

WebFeb 15, 2014 · Crawling with Marlin. 1985 22RE runs rough after warm. Confused? « on: Feb 15, 2014, 06:39:49 PM ». Little back story here. Head gasket went at about 60K miles on rebuilt engine. Had no issues prior to HG. Replaced head gasket with Nippon gasket from LC, ARP head studs, cleaned head bolt holes in block, reassembled everything and … WebOct 21, 2024 · Air filter/PCV valve. Always check the air filter and PCV valve first. A clogged air filter starves an engine of much-needed air, skewing the air/fuel mixture. On the other …

WebJul 1, 2024 · My wife's 2003 Focus SE 130,000 miles, has recently started having a rough idle when the engine is first started in the morning. Once the engine warms up it seems … WebFeb 23, 2024 · Connect a fuel pressure gauge to the fuel rail and start the engine. Check the fuel pressure and compare it to the manufacturer’s specifications. If it is too high or too low, you need to inspect the components of the fuel system such as the fuel pump, fuel filter, and fuel pressure regulator. 5. Check Compression.

WebJan 2, 2012 · Anonymous. 6982 Answers. SOURCE: rough idle after warm up. I'd take a look at the temp sender...the engines computer may be "thinking" the engine is still cold …

WebDec 17, 2010 · A small vacuum leak won't keep it from running, it'll just run rough warm. This is a big one. Try pinching off the vacuum hose to the power brake booster to see if that helps. The booster may have gone south. Look at the throttle body - is it loose? As it's running but warming up, spray some carb cleaner around the base to test for a big leak. senco ds200-ac screwsWebAug 5, 2009 · Rough Idle Only When Warm/Hot. I have been having this reoccurring problem for the last thousand miles or so: I have a 93 formula with 82k miles. Car runs fine for the first 8-10 min (probably until it reaches a closed loop state) then it begins to misfire or hesitate when accelerating and run rough when idling. senco finishpro 35 partsWebMar 22, 2016 · Mark helpful. 33,305. lrodri911 answered 6 years ago. Check oil pressure, it probably drops after it gets warmed up. If pressure drops below 30psi, the phasers won't work because they work with oil pressure. If it's low, u have internal engine wear. Time for rebuilt engine. 4 people found this helpful. Mark helpful. senco ds200-ac depth adjustment repairDec 22, 2015 · senco cordless nailerWebRuns on choke - The vehicle may run on choke when it's warm but stalls if the choke is turned off. Idles poorly - Fluctuations in idle RPM, stalling. Engine runs hot - Due to more oxygen than fuel combustion … senco f08bgaWeb1995 CHEVROLET CAMARO. 3.4L. V6. 2WD. AUTOMATIC. 109,112 MILES. Misfire after warm up. Runs great when cold. Has new engine new plugs wires injectors when starts misfiring can shut down start back up and runs fine until a few minutes then starts again. senco finishpro 30xpWebAug 28, 2024 · Symptoms:The engine runs really smooth when cold started. It still runs good, after the choke plate has completely opened and the engine hasn't run for more than say 5 minutes. When the upper radiator hose starts to become warm, the idle gets rougher. The situation gets worse, when the engine gets hotter e.g. during city driving. senco fencing staples