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check engine light
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  1. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    Two weeks ago, I got a P0171 check engine light code (Air/Fuel Mixture System Lean Bank 1) for my 2007 Toyota Camry SE when I had the guys at Meineke scan it. My mechanic at Hi Five Auto Care, after looking at the car, told me they'd have to replace the mass air flow sensor and fuel pump. So...
  2. Highlander 2nd Generation (2008-2013)
    I recently installed an aftermarket radio into my 2013 Toyota Highlander SE using a plug-and-play harness. Shortly after installing, the engine light came on. The speedometer and tachometer are working perfectly fine, and the car seems to be running fine as well, but my cruise control won't...
  3. Corolla 7th Generation (1993-1997)
    Hey there fellas! i am actually in need of your help or any suggestion you can give, i have this 96 Corolla and i am having trouble of finding the problem of the check engine light. So here is the problem: 1. If your put the key into ignition all the the dash lights and indicators shows up. 2...
  4. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    So about a week ago my the pipe at the end of my cat broke right where the flange is. I got a new CC as it was fairly cheap to do so and everything seems normal. Temps are fine, no noises and it runs as good as new. I was driving earlier today and I noticed my check engine light came on. It...
  5. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    Our ‘07 Toyota Camry LE has a high coolant temperature and a check engine light. When we turn it on, the coolant (temperature) gauge goes all the way to high. Also the tire pressure light blinks and the check engine light comes on. The tire pressure light is for a failed sensor. When we start...
  6. Highlander 3rd Generation (2014-2019)
    Look for some insight or others that have had these codes. The only time theye come on after deleting is if i stop at a stop light for about 20+ seconds. Did a 150+ miles with very lil stop and go and no extend stops at lights and codes never came on but once i made my way to a more populated...
  7. Tacoma 3rd Generation (2016+)
    Just purchased a 2017 Tacoma V6 with 77K miles at a dealer. Within 24 hours the Check Engine Light came on. The dealer said it was a problem with the cylinder heads. The dealer is trying to get Toyota to pay for the repairs so it's still in the shop after a couple of days. Question: What...
  8. Previa Forum
    Tl;dr: Long story short, the coolant temperature sensor was replaced twice and the next step is for me to take the car into a Toyota dealership to check out the ECM and see if it's still functioning correctly. Any tips? -- I was driving my 1995 Previa up a hill and the "check engine" light came...
  9. Highlander 4th Gen - Hybrid (XU70/2020-Present)
    We purchased a 2021 Highlander Hybrid Platinum in February. At about 650 miles, the check engine light came on without any warning. The car has been at the dealership for a few days; however, the technicians have been unable to diagnose and fix the problem beyond identifying the code that there...
  10. Corolla 11th Gen Sedan 2014-19, Scion iM 2016-18
    So I was on the freeway going about 70mph and went to downshift to pass two vehicles. However, after I shifted and as I was stepping on the gas to accelerate, it popped out of gear and revved very high. It did not lerch forward but I did not hear the rev limiter at all. 5 minutes later the check...
  11. Sienna 2nd Generation (2004-2010)
    Hi all! I have a 2004 Sienna ltd w/ 200k mi. CEL was on, and was throwing a P0430 code. I did the spark plug anti-fouler modification to the bank 2 sensor 2 o2 sensor, (which is what the P0430 code refers to). And about 75 miles later, the CEL went off. Yay! BUT when I rescanned the car (I...
  12. Previa Forum
    Hello there! I’m Oak and I’m new here. I have a 92 Previa LE, automatic trans, 278xxx miles. The check engine light is on, but if I unplug the circuit opening relay and plug it back in, the light goes away until I drive approximately 15-20 miles then it comes back on. Does anyone have any idea...
  13. Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    1998 Camry XLE 6 cyl./Auto - 85,000 miles, all fluids topped, but Engine Check light remains on. April 2, 2020. Hello Fellow Toyota Fans! Low mileage, been taking it in for service, the last oil change was last December 2019. The day before yesterday Tuesday, after getting gas at Costco, on...
  14. Corolla 9th Gen/1st Gen Matrix (2003-2008)
    2003 Corolla LE, almost 190,000 miles. Had problem passing smoke about 2 years ago ("Catalyst Monitor" Incomplete or Not Ready). Mechanic did something to help get it ready and passed smoke check. Last month Check Engine light shows up again. Scanner reads Code P0420, "Catalyst System...
  15. Highlander 2nd Generation (2008-2013)
    When it is cold temperature outside the Check Engine and the VSC OFF light blinks on and off and loss of traction light stays on. It skips while driving in about 10 minutes I can pull over turn it off and turn it back on the check engine light stops flashing and stops blinking... VSC, engine...
  16. Tundra 2nd Generation (2007-2013)
    I have a 2007 Tundra Crewmax with 2WD. A couple of weeks ago, I the VSC & CEL came on. After some online search and testing the OBD, I got a code P2442 which calls out it's the Secondary Air Injection Valve stuck open Bank 2. After replacement of the Valve, I cleared the CEL and then the I...
  17. Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    Hello -- I got an oil change recently at a Toyota dealership for 2009 Corolla 4 cylinder 1.6L (about 60k miles) and in about a week, I saw the engine light turn on the freeway. At a stop light, I hear kind of change in vibration momentarily. On a subsequent short trip, the light went away on its...
  18. 4Runner 3rd Generation (1996-2002)
    Sorry this is long i just dont want to leave out details. have a 2000 4runner limited with 3.4L v6 5vzfe engine. Came home from school yesterday and decided to change my spark plugs. I started on the right side opposite of the air intake and replaced all 3 plugs easily. When i got to the left...
  19. T-100 Forum
    93 t100, check engine light will not come on. I have checked the bulb and pulled the ECU fuse to reset CEL, still nothing. Any input? I just want to be able to check my engine codes that I'm sure are there, im just not able to see.
  20. Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    Hi Folks, Been a long time since I posted here - My 2009 Corolla has been VERY trouble-free... Until about 30 minutes ago. A little background: 2009 Corolla with 141,000 miles. No real time at the dealership except for the "unintended acceleration" (gas pedal / mat) deal. Still need to get...
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