# \#4runner **URL:** https://community.cartalk.com/tag/4runner/258.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [2000 toyota 4runner code P0420](https://community.cartalk.com/t/2000-toyota-4runner-code-p0420/50685)
**Author:** [@castironman](https://community.cartalk.com/u/castironman)\ **Replies:** 5\ **Last updated:** [February 8, 2026, 2:24pm UTC](https://community.cartalk.com/t/2000-toyota-4runner-code-p0420/50685 "2026-02-08T14:24:54Z")
I am trying to troubleshoot a 4runner with 135k miles, auto, 3.4 V6 California emissions. This is the freeze data: PID Description Value Units 0x02 Freeze frame … --- ## [Catalytic converters keep failing](https://community.cartalk.com/t/catalytic-converters-keep-failing/201183)
**Author:** [@mayerthomas0\_194215](https://community.cartalk.com/u/mayerthomas0_194215)\ **Replies:** 5\ **Last updated:** [July 29, 2025, 2:43am UTC](https://community.cartalk.com/t/catalytic-converters-keep-failing/201183 "2025-07-29T02:43:31Z")
I had my catalytic converter stolen off my 1998 Toyota 4Runner (4cyl. 5 speed manual) about 4 years ago. I had an exhaust shop weld on an EPA compliant converter which lasted for about a year and a half before I got a P0… --- ## [04 Toyota 4Runner Brake Light Issue](https://community.cartalk.com/t/04-toyota-4runner-brake-light-issue/188606)
**Author:** [@owenmills30](https://community.cartalk.com/u/owenmills30)\ **Replies:** 3\ **Last updated:** [January 20, 2023, 11:29pm UTC](https://community.cartalk.com/t/04-toyota-4runner-brake-light-issue/188606 "2023-01-20T23:29:49Z")
I own a 2004 toyota 4runner. I am getting a P0504 code on my OBD2 sensor. My brake light comes on sporadically when I accelerate from a stop. It tends to be on more frequently when the car is still cold and when the weat… --- ## [Should I Rebuild My Lemon For Tiny Housing?](https://community.cartalk.com/t/should-i-rebuild-my-lemon-for-tiny-housing/188356)
**Author:** [@2009ChevyHomeless\_183636](https://community.cartalk.com/u/2009ChevyHomeless_183636)\ **Replies:** 29\ **Last updated:** [January 9, 2023, 8:43am UTC](https://community.cartalk.com/t/should-i-rebuild-my-lemon-for-tiny-housing/188356 "2023-01-09T08:43:38Z")
How Do I Find 1 Who Rebuilds Vehicles, For Living Space? Videos Show A Lot Of DIYs. I Need To Have The Work Done By Another Person, Or…Find A “Ready To Live In!”, From The World Of “Van Life”. Any Suggestions? --- ## [Can An Actuator Be Replaced, If Built Into Transfer Case?](https://community.cartalk.com/t/can-an-actuator-be-replaced-if-built-into-transfer-case/188349)
**Author:** [@2009ChevyHomeless\_183636](https://community.cartalk.com/u/2009ChevyHomeless_183636)\ **Replies:** 21\ **Last updated:** [January 7, 2023, 5:47pm UTC](https://community.cartalk.com/t/can-an-actuator-be-replaced-if-built-into-transfer-case/188349 "2023-01-07T17:47:05Z")
2020, Sept/Oct, Bought 2003, Limited, Toyota 4Runner/V8 All Wheel Drive. By ThanksGiving, Not Drivable. 1st DealerShip Advised Salvage Rebuild - After $1,500, In Repairs, Mostly, Neglected Maintenance, I Towed The Vehicl… --- ## [1994 4runner electrical power loss](https://community.cartalk.com/t/1994-4runner-electrical-power-loss/187666)
**Author:** [@randymcallister1127\_183158](https://community.cartalk.com/u/randymcallister1127_183158)\ **Replies:** 6\ **Last updated:** [November 30, 2022, 10:07pm UTC](https://community.cartalk.com/t/1994-4runner-electrical-power-loss/187666 "2022-11-30T22:07:42Z")
1994 4runner v6, 5 speed manual. After clutch replacement ive had intermittent electrical problems. Sometimes when ignition is turned to start it will click and cut all electrical to car. When battery is disconnected and… --- ## [Check Engine On Off On Off - Repeat](https://community.cartalk.com/t/check-engine-on-off-on-off-repeat/186682)
**Author:** [@jerryperry\_182487](https://community.cartalk.com/u/jerryperry_182487)\ **Replies:** 10\ **Last updated:** [October 5, 2022, 5:18am UTC](https://community.cartalk.com/t/check-engine-on-off-on-off-repeat/186682 "2022-10-05T05:18:12Z")
2000 4Runner V6 Manual 389K Miles - Well Maintained My 4Runner very suddenly started running rough, then Check Engine started flashing, then solid. Next morning, ran smooth as usual and Check Engine eventually went off… --- ## [Toyota 4runner 2001 Should I Buy?](https://community.cartalk.com/t/toyota-4runner-2001-should-i-buy/185496)
**Author:** [@slaymanben\_181717](https://community.cartalk.com/u/slaymanben_181717)\ **Replies:** 14\ **Last updated:** [August 29, 2022, 11:55pm UTC](https://community.cartalk.com/t/toyota-4runner-2001-should-i-buy/185496 "2022-08-29T23:55:44Z")
So I’m looking into purchasing a 2001 Toyota 4 runner with around 60,000 miles on it, its relatively expensive and there is claimed to be no visible rust, Is there anything other than rust I should be concerned about whe… --- ## [Started car with accelerator pressed, straight to redline!](https://community.cartalk.com/t/started-car-with-accelerator-pressed-straight-to-redline/182443)
**Author:** [@Jmcgrady\_179457](https://community.cartalk.com/u/Jmcgrady_179457)\ **Replies:** 2\ **Last updated:** [February 11, 2022, 10:16pm UTC](https://community.cartalk.com/t/started-car-with-accelerator-pressed-straight-to-redline/182443 "2022-02-11T22:16:22Z")
I was cleaning my floor mats and reinstalled them without realizing the driver side mat was holding the gas pedal down. I started the car and the engine cranked over and roared to about 5k rpm for a brief second before I… --- ## [Ammonia smell from exhaust](https://community.cartalk.com/t/ammonia-smell-from-exhaust/71830)
**Author:** [@Silverfin](https://community.cartalk.com/u/Silverfin)\ **Replies:** 14\ **Last updated:** [October 2, 2018, 1:32pm UTC](https://community.cartalk.com/t/ammonia-smell-from-exhaust/71830 "2018-10-02T13:32:30Z")
I drive a 2007 Toyota 4Runner. Recently the weather has been nice enough to drive with the windows open. I've noticed a very strong ammonia smell from the exhaust - so strong at times, that I have to roll up the windows… --- ## [2011 Toyota 4Runner vibration after brake job](https://community.cartalk.com/t/2011-toyota-4runner-vibration-after-brake-job/180431)
**Author:** [@kag04](https://community.cartalk.com/u/kag04)\ **Replies:** 1\ **Last updated:** [November 3, 2021, 9:59pm UTC](https://community.cartalk.com/t/2011-toyota-4runner-vibration-after-brake-job/180431 "2021-11-03T21:59:56Z")
I had my rear brakes done on a 2011 46,000 mile 4 runner limited along with tires rotated. After that I had vibration in my stearing & wabbling. I had the truck tire balanced & I still feel a slight vibration with a sut… --- ## [2005 4runner worth it?](https://community.cartalk.com/t/2005-4runner-worth-it/178844)
**Author:** [@jakeenloe25](https://community.cartalk.com/u/jakeenloe25)\ **Replies:** 24\ **Last updated:** [September 7, 2021, 12:49am UTC](https://community.cartalk.com/t/2005-4runner-worth-it/178844 "2021-09-07T00:49:05Z")
Hey guys, I joined the forum to help diagnose a problem with my previous car, and you were all super helpful. I really enjoyed the experience of bouncing ideas around and just getting to chat with the community. I’m no… --- ## [1993 4Runner vs 2011 Mazda3 Hatch](https://community.cartalk.com/t/1993-4runner-vs-2011-mazda3-hatch/176813)
**Author:** [@jordanethan609\_175234](https://community.cartalk.com/u/jordanethan609_175234)\ **Replies:** 79\ **Last updated:** [May 30, 2021, 12:30pm UTC](https://community.cartalk.com/t/1993-4runner-vs-2011-mazda3-hatch/176813 "2021-05-30T12:30:29Z")
I’m conflicted between these two cars 4Runner $4700 (193,000) Mazda3 need to talk them down from $6900 to ~$5000 (120,000) On one hand, the 4Runner is cheaper upfront, has more storage space, and has everything done t… --- ## [Battery Toyota 4 runner 2002](https://community.cartalk.com/t/battery-toyota-4-runner-2002/176502)
**Author:** [@mamelok\_175022](https://community.cartalk.com/u/mamelok_175022)\ **Replies:** 4\ **Last updated:** [May 3, 2021, 10:21pm UTC](https://community.cartalk.com/t/battery-toyota-4-runner-2002/176502 "2021-05-03T22:21:20Z")
I have a 2003 4 runner which is not driven very much (less than 20 miles a week). What is the best way to maintain the battery? How much and how often should it be driven to maintain a full charge? --- ## [1996 4Runner warms up and shuts down](https://community.cartalk.com/t/1996-4runner-warms-up-and-shuts-down/176187)
**Author:** [@dustman28](https://community.cartalk.com/u/dustman28)\ **Replies:** 5\ **Last updated:** [April 18, 2021, 8:33pm UTC](https://community.cartalk.com/t/1996-4runner-warms-up-and-shuts-down/176187 "2021-04-18T20:33:09Z")
I have a problem with my usually perfect 1996 4Runner 6 cylinder with 227K miles. Driving the other day Check engine light came on. Took my foot off gas and it died. It will crank but not start. Got towed home. Plugged i… --- ## [2006 4Runner Rear Hatch Not Locking](https://community.cartalk.com/t/2006-4runner-rear-hatch-not-locking/175951)
**Author:** [@lincolnsamelson\_174575](https://community.cartalk.com/u/lincolnsamelson_174575)\ **Replies:** 4\ **Last updated:** [April 3, 2021, 1:28am UTC](https://community.cartalk.com/t/2006-4runner-rear-hatch-not-locking/175951 "2021-04-03T01:28:35Z")
2006 Toyota 4Runner Trunk will not lock. You close the trunk and it attempts to lock but doesn’t latch all the way. Video below. Any ideas? --- ## [Solve the mystery](https://community.cartalk.com/t/solve-the-mystery/175467)
**Author:** [@Triedaq](https://community.cartalk.com/u/Triedaq)\ **Replies:** 12\ **Last updated:** [February 28, 2021, 4:24am UTC](https://community.cartalk.com/t/solve-the-mystery/175467 "2021-02-28T04:24:15Z")
I took our 2003 Toyota 4Runner to the dealer for four things: replace hood struts replace battery change transmission fluid change brake fluid When we picked up the 4Runner, there was a warning light on the dashboard … --- ## [HELP! ANY ADVICE? 1999Toy 4Runner will not start, clicking sound... all starting system seems good](https://community.cartalk.com/t/help-any-advice-1999toy-4runner-will-not-start-clicking-sound-all-starting-system-seems-good/170279)
**Author:** [@Jonivanst\_170960](https://community.cartalk.com/u/Jonivanst_170960)\ **Replies:** 25\ **Last updated:** [September 25, 2020, 1:43pm UTC](https://community.cartalk.com/t/help-any-advice-1999toy-4runner-will-not-start-clicking-sound-all-starting-system-seems-good/170279 "2020-09-25T13:43:50Z")
I have a 99 Toyota 4Runner Limited and instead of starting it makes a clicking sound. The battery is fine tested Good. I changed the starter and starter relay. The alternator is good. I check the battery, battery cables… --- ## [Recommended spark plugs for best engine performance](https://community.cartalk.com/t/recommended-spark-plugs-for-best-engine-performance/167580)
**Author:** [@kcclemo](https://community.cartalk.com/u/kcclemo)\ **Replies:** 42\ **Last updated:** [August 16, 2020, 6:18am UTC](https://community.cartalk.com/t/recommended-spark-plugs-for-best-engine-performance/167580 "2020-08-16T06:18:36Z")
Hello everyone, I’m looking for recommendations from 2000 4Runner owners on what might be the best spark plugs based on your experience. Thank you! --- ## [2004 Toyota 4Runner briefly decelerates](https://community.cartalk.com/t/2004-toyota-4runner-briefly-decelerates/168614)
**Author:** [@tommy05](https://community.cartalk.com/u/tommy05)\ **Replies:** 6\ **Last updated:** [August 14, 2020, 9:05pm UTC](https://community.cartalk.com/t/2004-toyota-4runner-briefly-decelerates/168614 "2020-08-14T21:05:59Z")
my truck deacclerate at 40 to 45 mph. just for a sec. --- ## [Rattled by the hood dropping suddenly](https://community.cartalk.com/t/rattled-by-the-hood-dropping-suddenly/167198)
**Author:** [@MauriceFedo](https://community.cartalk.com/u/MauriceFedo)\ **Replies:** 37\ **Last updated:** [July 14, 2020, 4:26am UTC](https://community.cartalk.com/t/rattled-by-the-hood-dropping-suddenly/167198 "2020-07-14T04:26:16Z")
had hood up on my 15yr. old 4Runner to check oil. Backed up to see better, suddenly the hood came crashing down. Pistons gave out with no warning.Still shudder over it! --- ## [2003 4runner v8 Running very warm](https://community.cartalk.com/t/2003-4runner-v8-running-very-warm/166492)
**Author:** [@wapomax](https://community.cartalk.com/u/wapomax)\ **Replies:** 7\ **Last updated:** [June 29, 2020, 1:45pm UTC](https://community.cartalk.com/t/2003-4runner-v8-running-very-warm/166492 "2020-06-29T13:45:17Z")
My car is running very warm and I have been told that it is probably either a bad head gasket or a warped/cracked cylinder head. How do I find out which one it is if either? I have never let it overheat, but it did lose … --- ## [ATF in my oil change!](https://community.cartalk.com/t/atf-in-my-oil-change/165855)
**Author:** [@brokeNspoke](https://community.cartalk.com/u/brokeNspoke)\ **Replies:** 16\ **Last updated:** [June 17, 2020, 2:04pm UTC](https://community.cartalk.com/t/atf-in-my-oil-change/165855 "2020-06-17T14:04:33Z")
I was changing my oil in my 04 4Runner and found ATF mixed in. I checked my atf level and it was low. I began adding new oil to the engine and after about 4 quarts I ran the engine. Turned it off and checked the level an… --- ## [2000 Toyota 4Runner - will P0446 correct itself?](https://community.cartalk.com/t/2000-toyota-4runner-will-p0446-correct-itself/164816)
**Author:** [@jaykay26](https://community.cartalk.com/u/jaykay26)\ **Replies:** 2\ **Last updated:** [May 27, 2020, 4:54am UTC](https://community.cartalk.com/t/2000-toyota-4runner-will-p0446-correct-itself/164816 "2020-05-27T04:54:52Z")
HAD oil change at toyota dealer which included vehicle inspection(?). no other work done. several days later noticed check engine light on. looked under hood saw nothing obviously wrong. several days later looked under … --- ## [12v battery reads good voltage but No AMPS](https://community.cartalk.com/t/12v-battery-reads-good-voltage-but-no-amps/162824)
**Author:** [@Deeppp\_reduction104](https://community.cartalk.com/u/Deeppp_reduction104)\ **Replies:** 23\ **Last updated:** [April 21, 2020, 1:16am UTC](https://community.cartalk.com/t/12v-battery-reads-good-voltage-but-no-amps/162824 "2020-04-21T01:16:45Z")
My battery voltage reads 12.7 volts stationary but when i try to start the vehicle it does want to turn over… I tried it with a new battery that reads 12.5 volts and it starts effortless. How can i fix this problem? --- ## [Do you like your Toyota 4Runner?](https://community.cartalk.com/t/do-you-like-your-toyota-4runner/139107)
**Author:** [@Kenneth40](https://community.cartalk.com/u/Kenneth40)\ **Replies:** 8\ **Last updated:** [April 8, 2020, 2:51am UTC](https://community.cartalk.com/t/do-you-like-your-toyota-4runner/139107 "2020-04-08T02:51:32Z")
Do you like your Toyota 4Runner? --- ## [Vibration Problem - 1999 Toyota 4-Runner Limited; 195,000 miles](https://community.cartalk.com/t/vibration-problem-1999-toyota-4-runner-limited-195-000-miles/160621)
**Author:** [@BobT50](https://community.cartalk.com/u/BobT50)\ **Replies:** 2\ **Last updated:** [March 9, 2020, 7:55pm UTC](https://community.cartalk.com/t/vibration-problem-1999-toyota-4-runner-limited-195-000-miles/160621 "2020-03-09T19:55:38Z")
No vibration when idling in park. No vibration when increasing RPM’s in park. Vibration starts at about 20-25 MPH and gets just a bit worse as speed increases. Vibration decreases to almost a stop when coasting (foot of… --- ## [4runner Brake lights flickering](https://community.cartalk.com/t/4runner-brake-lights-flickering/159805)
**Author:** [@Kiley-Fortin](https://community.cartalk.com/u/Kiley-Fortin)\ **Replies:** 3\ **Last updated:** [February 27, 2020, 6:52pm UTC](https://community.cartalk.com/t/4runner-brake-lights-flickering/159805 "2020-02-27T18:52:38Z")
So yesterday I had my brakes changed in the front including the rotors because they were ridiculously worn down. But since I had them changed my parking break light keeps flickering on and off, when I accelerate, sometim… --- ## [2005 Toyota 4Runner vibration after repair](https://community.cartalk.com/t/2005-toyota-4runner-vibration-after-repair/158562)
**Author:** [@AndiLuna](https://community.cartalk.com/u/AndiLuna)\ **Replies:** 1\ **Last updated:** [February 15, 2020, 7:12pm UTC](https://community.cartalk.com/t/2005-toyota-4runner-vibration-after-repair/158562 "2020-02-15T19:12:37Z")
After an accident and repairs 9/19, I notice a vibration both auditory and tactile front left wheel when I reach 65-70 m/p/h. The slight sound is primarily the vibration. The repair company said it’s not their failure … --- ## [1990 Toyota 4Runner - value?](https://community.cartalk.com/t/1990-toyota-4runner-value/158311)
**Author:** [@kellybarr\_163171](https://community.cartalk.com/u/kellybarr_163171)\ **Replies:** 10\ **Last updated:** [February 11, 2020, 11:04pm UTC](https://community.cartalk.com/t/1990-toyota-4runner-value/158311 "2020-02-11T23:04:33Z")
I have a 4 Runner that had only one meticulous owner prior to my obtaining it. It’s got 242K miles. KBB says it’s worth $1K and NADA says $4K. I’d like to put it on the market, and boy does it get attention when I par… [Next page](https://community.cartalk.com/tag/4runner/258.md?match_all_tags=true&page=1&tags%5B%5D=4runner)