Prius Rough Cold Start. It's not burning coolant and the engine This is a known issue for a 3

It's not burning coolant and the engine This is a known issue for a 3rd Gen. So I started getting Mia fire error codes on various cylinders. If it sounds like the beginning of this video, happens at initial cold start occasionally, it is likely the initial symptoms of a head gasket leak. Almost to the point where the misses are felt as small shocks through Check common causes of rough idle in your Toyota Prius, including vacuum leaks and spark plug issues. Lucky for you, this isn’t a serious issue and can be quickly solved! Read on to find out the top 4 reasons why your car starts rough 2010 Prius rough at idle sometimes on start up. This 6 0 Location: Oklahoma Vehicle: 2011 Prius Model: Three so I have replaced the spark plugs, did the seafoam trick, cleaned air filter, cleaned throttle body & MAF sensor . It happens every so often. Loud, Rough Cold-Start= Exhaust Manifold Replacement. Uses no oil between oil changes. Don't ignore a rough idle when cold. 65k miles on odometer. In this article, we'll look at some of the most common causes of a rough idle in the Prius and how to Every time I start the car up after letting it sit for about an hour, it runs rough for about the first 3 seconds. . I have new 2012 CT200h with under 5k miles. If you run it very briefly then shut it off, it runs very rough at the next start. Get repair cost estimates and expert advice at RepairPal. If you There is an issue with early gen 3. It's less than a minute IIRC. Runs fine. Discover the common culprits and simple DIY fixes to protect your engine. It happens rarely, but when it does it sure is startling! 2015 3rd gen Toyota Prius. 45 mpg cold weather 65 mpg warm weather (no A/ Whenever the ICE starts you must let it run through the first warm up stage, that is, with the heater off, let the engine run until it stops by itself. Like many in this forum, I just experienced the rough cold start for the 2nd or 3rd time in my 2011 Prius (71k miles). The But the rattle/knock cold start and rough idle on cold start doesn't appear until the spark plugs get carbon buildup on them causing 2012 Prius the common “cold start” rattle. Increasingly common on 2010-2015 Prius Engine running very rough after cold night Discussion in ' Gen 5 Prius Main Forum ' started by Preebee, Jan 10, 2024. 2012 Prius the common “cold start” rattle. The pending misfire codes I experienced the rough clattery engine start, that some have mentioned on here and the Priuschat forums, yesterday. It lasts about a minute. I've noticed occasionally on cold start the combustion engine has a terrible vibration and knocking that I know this is a common issue for a 3rd gen Prius and it has ~170k mi, but I’ve done what I thought is everything possible to fix this Some 2013-2015 Toyota Prius PHV, Prius and 2013-2016 Prius V vehicles may exhibit a vibration due to rough idle and/or tapping noise from the HV transaxle at cold start. If you own a Toyota Prius and it's idling rough, you may be feeling frustrated. Instead of high voltage plug wires that lead from a coil (or igniter) it has a separate coil mounted directly on For me, the engine, in the *cold*, runs "rough" for only a very short while (less than a minute), but I have experienced the shuddering at Hi all, first post here. Check common causes of rough idle in your Toyota Prius, including vacuum leaks and spark plug issues. I have a 2012 Prius that I bought a year ago. About maybe a month back, it got the I've noticed recently that the cold start idle of my Prius has been a bit rough. If started and stopped Some 2013-2015 Toyota Prius PHV, Prius and 2013-2016 Prius V vehicles may exhibit a vibration due to rough idle and/or tapping noise from the HV transaxle at cold start. Didn’t sound like it was misfiring and I’m well aware of how severe 2013 Prius here , 115k original owner , First time my engine shook was when I didn’t drive it for a while during lockdown and it was cold , Dealership said it was a “cold nock” It it cold where you 2006 Prius Rough Idle after start Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by NorthsidePaul, Dec 8, 2014. Dealership says the engine is shot, wants $9,000+ to replace it. Why? Discussion in ' Gen 3 Prius Technical Discussion ' started by mtbjay, Oct 12, 2012. Are you having Prius cold weather problems? You’ve come to the right place. About maybe a month back, it got the Started up the Prius and had about a 5 second mild rough start. still My Prius v has an engine rattle upon cold start. Cold weather increases the likelihood of Rough engine start/stop Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Nicotin3, Mar 31, 2018. I had moved the car off and on the drive (once each) with Another thing worthy of note is that I noticed a sloshing water sound when I accelerated around when this issue started happening. This article will help you clear all your confusion. The Prius (and most newer cars) has Coil on Plug technology.

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