# 2001 Honda Accord — will a little diesel hurt? **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** accord, honda\ **Created:** [July 3, 2020, 12:39am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751 "2020-07-03T00:39:14Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![DawnFisher](https://avatars.discourse-cdn.com/v4/letter/d/f1d935/32.png) [@DawnFisher](https://community.cartalk.com/u/DawnFisher)\ **Post date:** [July 3, 2020, 12:39am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/1 "2020-07-03T00:39:14Z")
I had put about a half a quart of diesel oil and w30 into my gasoline Honda Accord 2001 will that harm the car? ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [July 3, 2020, 1:12am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/2 "2020-07-03T01:12:42Z")
OK, once again I ask - how did you do that ? If you are in the US the diesel nozzle is not supposed to fit in the gasoline fill opening . Did you actually put 30 weight oil in the gas tank ? Others may say different but if your tank is now full with mostly the proper fuel you might be OK. But when you reach the 3/4 mark fill up again for several times . ---
**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\ **Post date:** [July 3, 2020, 3:53am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/3 "2020-07-03T03:53:43Z")
I have used 15W40 diesel spec oil in my cars without harm, it should not affect your engine. > [@VOLVO\_V70](#): > > OK, once again I ask - how did you do that ? It is quite common, instead of asking over and over again, why not lift the diesel nozzle add see if you are capable of adding diesel fuel to a gasoline vehicle. The difference in size is not enough to prevent someone from adding diesel fuel to a gasoline vehicle. Your lack of experience does not play credit to you. ---
**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\ **Post date:** [July 3, 2020, 4:14am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/4 "2020-07-03T04:14:34Z")
I’m confused-did you put diesel fuel in your gas tank, or did you put diesel-spec oil in your engine? ---
**Author:** ![bcohen2010](https://avatars.discourse-cdn.com/v4/letter/b/779978/32.png) [@bcohen2010](https://community.cartalk.com/u/bcohen2010)\ **Post date:** [July 3, 2020, 4:26am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/5 "2020-07-03T04:26:31Z")
I read this as he put diesel-spec motor oil into the engine, and that will not hurt a car this old. Newer models can be very picky as to what oil should be used, but a 2001 model is not going to have this problem. ---
**Author:** ![VDCdriver](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/vdcdriver/32/30_2.png) [@VDCdriver](https://community.cartalk.com/u/VDCdriver)\ **Post date:** [July 3, 2020, 11:08am UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/6 "2020-07-03T11:08:19Z")
> [@bcohen2010](#): > > I read this as he put diesel-spec motor oil into the engine That’s how I read it also. Perhaps the OP can clarify the situation for us. ---
**Author:** ![It\_s-Me](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/it_s-me/32/12660_2.png) [@It\_s-Me](https://community.cartalk.com/u/It_s-Me)\ **Post date:** [July 3, 2020, 1:17pm UTC](https://community.cartalk.com/t/2001-honda-accord-will-a-little-diesel-hurt/166751/7 "2020-07-03T13:17:51Z")
> [@VOLVO\_V70](#): > > If you are in the US the diesel nozzle is not supposed to fit in the gasoline fill opening You keep saying that, but there is no law that states/requires a certain size nozzle for automotive diesel. Only 3 laws on nozzle size 1. Unleaded fuel nozzle size shall not exceed 13/16" in diameter. 2. Leaded fuel nozzle size shall not be less than 15/16"in diameter. 3. High speed diesel nozzle size (over 10 gallons a minute) size 1-3/16" The better stations will use the 15/16" nozzle to prevent it from happening, but they are not required to do so.