Rough idle when warm 7.3

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7.3 Rough Idle, Hard Warm Start, and Blue Haze from Exhaust If they are our injectors we will gladly take a look for you if you want to send them in. Do me a favor though, get it hot and then see if it has a hard start, if it does pour water on the HPOP and try to restart it right away. You can always give me a call too! 615-962-8291.

Jun 13, 2019 · When the engine has been sitting for a while and is not warm, the thermostat will be closed. Once the engine is running and reaches a certain operating temperature, a sensor inside the thermostat ... May 13, 2014 · 7.3 Rough Idle, Hard Warm Start, and Blue Haze from Exhaust If they are our injectors we will gladly take a look for you if you want to send them in. Do me a favor though, get it hot and then see if it has a hard start, if it does pour water on the HPOP and try to restart it right away. You can always give me a call too! 615-962-8291. My 97 7.3l powerstroke van has started to idle rough but only when warm. At cold start is sounds/feels normal. At any RPM other than idle it also sounds and feels normal. When idling warm it is very rough, periodic vibration that feels like it is stalling.

Higher rev's at start up is one way to get to that warm/hot condition quicker. On some of the warmer days this January (50°F) the rough part of the start is reduced, but the amount of moisture from the tailpipe is the same. I'm assuming in the summer there will be little to no shaking or roughness with the start.

Q: A couple months ago, I saw a slight leak at the top of fuel injector #1, so I pulled the injector and replaced the o-rings. That stopped the leak but approximately 10 miles into my drive, the car started idling rough and there... The engine goes through a series of warm-up routines, and during at lest one short phase the "idle" is less than perfectly smooth. However, that occurs early and is over inside a minute. As the RPMs decay toward the normal idle the engine becomes so smooth you can't tell that it's running. Apr 19, 2011 · Hey guys, I have a bone stock 2004.5 duramax. Sometimes it has a really rough idle. I can only notice it when its in gear and i am at a stop. I can hear the engine "laboring" at one spot and it lunges forward at that exact spot. Having a a major dilema with a rough idle / Multiple Cylinder Misfire on my 2001 Chevy S10. Its a V6 4.3L with 100K miles on it. The first sign of the problem was the service engine light would blink intermittently when driving on the highway or revving the gas. The blinking would stop after a few minutes and the light would go away. When my truck gets to 170 degrees it has a rough idle in park or nuetral. Put it in gear and it calms back down to normal. Only at 170 degrees or more, anything under and it runs perfectly fine, it’s been doing this for a while now, I changed out the turbo , 8 new fuel injectors, and new cp3 . Still doing it.

Sep 22, 2018 · Hi all. Can anyone help with my 05 vz statesman issue. Has a rough idle that gets worse when warm plus alternator is overcharging, relays under drivers dash are scorched & LH indicator stays on after locking at times. 2 different mechanics had different takes on it. So I'll throw it out here in case someone else has had & resolved this issue.

Jun 21, 2001 · re: rough idle during warm up. Jerry, you hit the nail on the head, i started it this morning and the butterfly stayed jammed shut, engine started to idle poor, then i pushed the butterfly open, about 1/4" and wow, perfect. May 19, 2014 · Sorry for all the posts but i have more updates! I ran her at idle yesterday, took off the air cleaner, and sprayed carb cleaner into the fuel bowl tube in short squirts. I would rev the engine as it started to sputter and then kept it running for 5-10 mins. HUGE difference!!! Much better start up, better idle, better acceleration. May 06, 2015 · In the thread i linked above, they mention coolant temp senor may cause weird idles, I know the temp gauge in the car isnt the most reliable, but it shows my temps as perfect when warmed up. However the engine/engine bay feels very hot after driving. Hot like i cant even check my oil level after driving or ill burn myself on the dipstick. Rough Idle, Warm Engine, Troubleshooting Cummins Diesel Engines. ... 9 Common Problems With 7.3 Power Stroke Diesel Engines, And How You Can Fix Them; Oct 03, 2020 · If the idle speed control valve is defective, you may experience a rough idle. 3. Faulty Throttle Body or Throttle Body Sensor. On more modern cars you have a throttle body that adjusts the idle speed instead of the idle control valve. It is a common problem that the throttle valve gets dirty and causes rough idling. 8.3m Followers, 1,041 Following, 1,909 Posts - See Instagram photos and videos from Angel Locsin (@therealangellocsin) We have a 2002 7.3 f350 2wd this darn thing is now tripping me out. At first when ou start the truck its all good but when it warms up the idle is funky when you go to stop at a lite its like im power breaking and rough idle once stopped the idle is about between 800 and 900rpms at a stop really high idle but plenty of power on take off...

Jun 06, 2015 · When warm it will idle fine just as if cold. It revs as much as you like, very smooth. Put it in drive or reverse and although this is a diesel the symptoms would be perfectly described as if you had taken a spark plug lead off of a petrol model. Drive off and the rough running slowly disappears as the revs and speed build.

Mine does the same thing. Idles fine when cold. After running it and getting warm it idles rough then stalls. It will start again but idles rough until it stalls. If you get it throttled up you can drive it and it seems to have plenty of power. I have to check if the belt is dragging. Jan 24, 2016 · I've had a slight rough idle since around 500 miles driving the truck with it progressively getting worse over time. Had the BB Tune bump the idle up to 600 at 1000 miles and that seemed to eliminate it for the time being. I'm at 4.5K now and the idle was starting to get rough again. Re: rough idle leads to stalling only when warm Wed Mar 18, 2009 10:54 pm In my experience with speed-density, a lot of times surging problems are caused by vacuum leaks. Dec 27, 2016 · Q: Been having this issue with a 2007 F-150 (5.4L 3v) I bought back in July of 2016. When I start the truck cold, it will idle fine, can drive it, start, stop, and it will operate smoothly. Once it warms up though (after maybe 10... Having a a major dilema with a rough idle / Multiple Cylinder Misfire on my 2001 Chevy S10. Its a V6 4.3L with 100K miles on it. The first sign of the problem was the service engine light would blink intermittently when driving on the highway or revving the gas. The blinking would stop after a few minutes and the light would go away. Rough Idle after Warm-Up. Discussion in 'GS Boxers' started by sr308sniper, Aug 9, 2008. sr308sniper, Aug 9, 2008 #1. sr308sniper n00b. Joined: Oct 13, 2007 Jul 04, 2013 · Ever since I got it, I've noticed that, when stopped at a light in Drive, with the tach stable and showing 500-550 rpm on a warm engine, the idle tends to be just a bit rough. Have a 96 250 with a 351w, been dealing with rough idle in the morning before reaching NOT. After warms idles fine but stumbles when I hit 2k rpm or heading down freeway. Checked all vac lines, done all normal maint. Plugs,wires, cap,rotor. Replaced temp, map and o2 sensors. Replaced get valve also.

The bus has a build date of 07/2002 and has 93K on the odometer Problem: When cold starting the engine, it has a misfire for about 10 minutes or so when the block heater is not plugged in. This occurs with the vehicle parked inside with an ambient temp of 65 degrees. If the block heater is...

Hello. I have a VW Polo 1.2 2002 mod. with engine code AZQ The car has rough idle when the engine is warm. after a while with rough idle comes ESP lamp up... I have 37,000 on my 2006 ram 4.7. The truck always seems to run rough at idle but when driving no problems at all. it idles at about 500 without a/c on. I put new NGK plugs in last weekend and a new air filter but the idle issue is still there. Any suggestions or is that the nature of the engine? Jan 08, 2014 · Rough idle and stall, but only when hot? General Mopar Tech Discussions. Dec 31, 2013 #1. apostle228 Well-Known Member. Messages: 92 Likes Received: 14. Joined: Oct ... OK. I'm joining the camp of those having the hard to solve low idle/rough idle problem (only when the car is fully warmed up). It cycles between a ~650RPM and ~500RPM idle (spends about a second at 650 idling smoothly, then a second at 500 with vibrations, then back to 650rpm).

Problem: Several things could be causing rough running or a misfire in your 7.3 Powerstroke: Cause: Stiction in injector (s) Solution: Treat with Stiction Eliminator to clean out all of the injectors. Treat with Diesel Extreme to clean out the entire fuel system. Cause: Mechanically failing injector (s)

Jul 30, 2010 · JD 322 idles great when cool but after running (like cutting the lawn) it will not drop down to idle without dying. I checked the choke and it seems to be working correctly. As it is dying it seems like the rpms go up and down like the engine is trying to find a range in can run at. sometimes it misses right before stopping. Dec 27, 2016 · Q: Been having this issue with a 2007 F-150 (5.4L 3v) I bought back in July of 2016. When I start the truck cold, it will idle fine, can drive it, start, stop, and it will operate smoothly. Once it warms up though (after maybe 10... Sep 05, 2005 · I hear it ease on down to normal idle. Playing around a little (engine warm/hot by now) I discovered some seeming "new" problem. When I tap the gas, it runs up to fast idle (1,100 - 1,200 RPM) for about 8 seconds, then eases down to normal idle of 700-800. Dang, I don't remember it doing that. Played and played Q: A couple months ago, I saw a slight leak at the top of fuel injector #1, so I pulled the injector and replaced the o-rings. That stopped the leak but approximately 10 miles into my drive, the car started idling rough and there... Help!. 04 F-150 XLT 4x4 with the 4.6. w/rough idle. It had 5,700 miles on it at purchase, and now has 19,000. Soon after purchase, the rough idle was noticed. Noticable in park, worse in drive when waiting at a light. Gets better with A/C or defroster on. Multiple times to the dealer, one TSB done with no success. MAF cleaned, and new air filter. Ford 7.3 powerstroke running rough and is surging at idle, could it be a bad ICP sensor?BTW, I've been using an app called "UpSide" that gives you money just...

2002 Ford Ranger runs rough at idle but no OBS code? My 2002 Ranger runs rough at idle. If I goose it a little, it goes into high-idle for a few seconds, but starts to run rough like it is lurching back and forth.

I have an '87 Monte SS with a 305 Chevy motor, carburated. When it is warm out (summer) the car will start up cold no problem, but as soon as it gets to be <50 degrees outside the car won't idle on it's own when the engine is cold without my foot on the gas. It runs choppy and the exhaust is really rich. Mar 20, 2017 · If I start the car while the engine is warm, then I have extremely rough idle for about 30 seconds before it settles down. Doing some logging, it appears to coincide with the fuel pump going from 100% to 33% duty cycle. 100% on the Walbro, I'm assuming, is overloading the FPR at idle and causing the engine to run rich and not be able to control ... Jun 08, 2013 · 77 280z rough idle after warm up Sign in to follow this . Followers 1. 77 280z rough idle after warm up. By ISPKI, June 8, 2013 in S30 Series - 240z, 260z, 280z. Engine rough idle can be caused by a series of problems, or just one faulty component or adjustment. Finding the problem can be daunting, especially with so many sensors and switching valves involved. However, the most likely causes come from the basic operating components that control fuel and ignition. Compression ...

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1997 Ford F350 with a 7.3 powerstroke rough idle jumping idle how to fix

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