High rev on startup

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August undefined, 2024

WebApr 21, 2014 · Discussion Starter · #1 · Feb 1, 2010 Its more like a flare up to about 2500 rpm and a slow drop to normal after about a minute. I know cold start idle is a little higher but the rpm is just too high. Anyone have this issue?? I am thinking it is maybe a IAC valve issue. H Higgs Boson Registered Joined Feb 2, 2009 267 Posts #2 · Feb 1, 2010 normal. WebOct 11, 2005 · Discussion Starter · #1 · Sep 22, 2005. Ever since I got my CAI my car has had high hanging revs at start up. It goes to about 2000 RPM and then settles at 1400 RPM or so. Then SLOWLY goes down to the regular 600-900 RPM's, but it takes up to 45 seconds on a cold start up. So for some reason I decided to hit the AC button one time right after ...

High revs on startup Ford Mustang Forum

WebMay 11, 2024 · A car could have a high idle at startup for a few reasons including to control for emissions while the catalytic converter is warming up to operating temperatures or to … WebDec 9, 2006 · 2. When I start my new '06 Tacoma with the 4 litre (2.7 litre) engine, the engine starts and revs around 2K. This seems awfully high to me. Any other vehicle I have driven starts revinng from a cold start at around 1200 rpm. Like all vehicles, the Tacoma soon slows down to around 750 rpm. It is just the initial high revving that gets me concerned. high volt galvanic therapy

High Engine Revs on startup Tacoma World

WebMar 15, 2010 · First start of the day, it would rev to maybe 1200 right after start, then taper off to around 800 which I think would be normal. Drive for a few miles, fully warmed up. … WebMar 7, 2009 · Maintenance Shop - revs high on start up - I was wondering if anyone knows why my truck always revs high on start up no matter what the temp its over 2000rpm for … WebMay 5, 2024 · The only thing that has worked is after booting, is to log into windows then shut it down through the start menu. After that to leave it off for 30 seconds then boot it … high volt estim for wound healing

Why Does My Car Rev High When I Start It - Car Care Hacks

High RPMs on startup. Tahoe Forum - Chevy Tahoe Forum

WebMay 18, 2014 · This was the start of my idle issue. My RPMs would be high and not come down to 750 and would hang high between shifts (manual trans). I changed the AIC (thinking I screwed it up with the cleaner) and this helped a little, my RPMs come down to 750 now but it takes forever to do so. Now at start up it will run at 2000 RPM for a while and come ... WebI'm Raul "Rev" Vaughn, an entrepreneur and high-performance consultant. I've founded or helped start over a dozen different businesses in five countries and helped introduce thousands of products ... high volcano in sicilyWebJan 7, 2006 · The high idle after start up is one of Toyota's way of reducing emission. A warm engine emits less emission than a cold one so Toyota and other manufacturers put in this feature to help get the engine to operating temperature quicker and thus reducing the higher emission that would have been emitted if the engine was still running cold. how many episodes of banana fish in total

"WebMay 1, 2011 · 2003 Mercedes S320 CDi (W220) Joined Apr 17, 2009. 340 Posts. Discussion Starter · #3 · May 11, 2010. Hi and thanks for the quick response. I would be happy with +-1000rpm on startup - think that is about what it was. Car is warm at the moment, just started it and it went to: Neutral : +-1500. as it engages : +-1800. " - High rev on startup

High rev on startup

Engine revs up upon start up Nissan Frontier Forum

WebFeb 19, 2009 · It does not sound bad, i get around 1200rpms to 1500rpms on start up, and slowly drops while warming up and will drop when you put it in gear and take off. I am … WebOct 20, 2010 · 4.7 HO still revs too high on start up. Even put on another new idle motor. That did not help. Seems to work okay for 3 or 4 days after having the PCM flashed but then reverts back to reving high (2200 rpm) on startup. Has anyone else had this problem and what was the fix.

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WebSep 1, 2024 · 50 Posts. Discussion Starter · #1 · Feb 2, 2009. Newbie question on the 5.7l. Bought the 08 on Saturday and had to have a new battery installed. Now when starting the vehicle it revs to around 2,200-2,500 RPM then VERY slowly idles down. 2-3 minutes it is down to 1,800 RPM. Will this change after a few starts and it reprograms itself or is ... WebMar 12, 2012 · High rev on startup. Hey guys, Recently when I start my truck when it is cold it will idle up to around 2000 rpm, then immediately drop to around 1200 rpm. Before this …

WebApr 17, 2013 · High idle at start is normal in cold weather. The colder it is, the higher the RPM usually go. Perhaps your car is overdoing it a little, but it usually is normal. especially if it drops back down after a little while (30 second usually. In really cold weather it might take a few minutes to drop to normal idle rpm. WebDec 9, 2006 · 2) The high cold start-up RPM is due to your automatic choke doing probably what the Toyota engineers designed it to do. 3) The higher RPM is required to burn up the …

WebJan 2, 2024 · My 89 F250 4.9L with a 92 ECU will rev up to 1800RPM for about 10 to 20 seconds then drops down to normal. When I start it, I pop the gas pedal once just after it starts and the engine will drop the high idle. I think in 91 or 92 Ford started to make these engine HIGH idle like that as the older ECU (89) did not do that. WebApr 30, 2009 · Anyway Hd that are injected start at high RPM and after heating up the idle kicks down. You have a Temp sensor for this, which sounds like it is bad. I can not believe …

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WebMar 4, 2005 · The idle should never go above about 1200 rpm thru the IAC or idle up. A cold start at 2500 could definitely do damage to the engine. I still have trouble getting used to … high volt safety grande prairieWebFeb 5, 2024 · It starts, revs up to like 1500 (normal) keeps it for half a second but then when you would expect the rpm to drop it jumps again to 2k 3k and the it drops to idle. Only … high voltage 5ch 11WebApr 30, 2009 · Harley Davidson 2003 FLHRCI; Motor idles at 2000 rpm on start-up. Runs rough for about 10 miles, then starts to run right including proper idling when stopped. Turn engine off for gas, whatever, the problem starts again. Checked the crank case sensor, it was covered with oil. Not being a mechanic, not sure if this is normel or not. high volt new orleansWebJan 18, 2024 · The reason for the high RPM on startup is likely excessive air, either from a throttle body or other intake leak, sticky TB or IAC, or the PCM thinking that the intake air and/or coolant temperatures are ridiculously low, thus adding steps to the IAC position. how many episodes of banana fish are thereWebJan 28, 2011 · High revs at startup while it's dry up where all this stuff failed. Ford says this type of failure can be a result of using 3rd party oil filters (fibers break off and clog things) … high voltage 40 cal suit kitWebOct 15, 2014 · On startup, the RPM will climb up to 2,000 and then idle back down to around 6oo. It doesn't matter if the engine is hot or cold. Engine is the 4.7 in a '99 Could this be a … how many episodes of bancroftWebDec 7, 2024 · On the second start, it will rev up again, but not nearly as high, whereupon it may die or continue to run. If it does die, the third startup typically doesn't cause a rev up. Once running, the motor has a stumble / cough / miss every 3-4 seconds. Once off idle, that cough seems to go away. how many episodes of bancroft series 2