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Changing from synthetic to regular = check engine light???

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Old 05-28-2004, 02:05 PM
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VDoP-B18C1
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Default Changing from synthetic to regular = check engine light???

i just changed my oil from mobil1 to regular castrol. came out later to go buy food
and the check engine light comes on? WTF?? any ideas?
Old 05-28-2004, 03:15 PM
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Default Re: Changing from synthetic to regular = check engine light??? (VDoP-B18C1)

did u do a oil change first?
Old 05-28-2004, 03:56 PM
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What code is it,I just did the same thing (knocks on wood)

heres my thread

https://honda-tech.com/zerothread?id=874278


Modified by Shaun at 9:05 PM 5/28/2004
Old 05-28-2004, 06:56 PM
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Default Re: Changing from synthetic to regular = check engine light??? (VDoP-B18C1)

Check to make sure the oil is still there.
Could have not tightened the oil pan bolt enough.
Maybe the old oil filter's o-ring is stuck to the block.
Old 05-28-2004, 07:06 PM
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Default Re: Changing from synthetic to regular = check engine light??? (Eee Pee)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Eee Pee &raquo;</TD></TR><TR><TD CLASS="quote">Check to make sure the oil is still there.
Could have not tightened the oil pan bolt enough.
Maybe the old oil filter's o-ring is stuck to the block.</TD></TR></TABLE>

thats what i initially thought. but it was still there. no leaks at all, nothing on the ground.
Old 05-28-2004, 07:53 PM
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Default Re: Changing from synthetic to regular = check engine light??? (VDoP-B18C1)

check the code. once you know that, you will no the problem.

It most likely had nothing to do with switching from syn to dino oil.
Old 05-28-2004, 08:51 PM
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Default Re: Changing from synthetic to regular = check engine light??? (VDoP-B18C1)

when you did the oil change did they get oil on the 02 sensor?

I have seen number of times people get oil on the 02 sensor and then use brake cleaner to clean up the oil the check on will go on with an 02 voltage to high/low code

just check it/clear it/wait

to see if the code comes back up
Old 05-29-2004, 06:15 AM
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Default Re: Changing from synthetic to regular = check engine light??? (MachAF)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MachAF &raquo;</TD></TR><TR><TD CLASS="quote">check the code. once you know that, you will no the problem.

It most likely had nothing to do with switching from syn to dino oil.</TD></TR></TABLE>

this is the code i got.

Primary Oxygen Sensor - Heater circuit malfunction

maybe i got some oil on it?
Old 05-29-2004, 07:30 AM
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Default Re: Changing from synthetic to regular = check engine light??? (VDoP-B18C1)

i have the same cel. It shouldn't effect how ur car runs. Its a pretty common cel, so it might not be b/c of the oil change. btw..why did u change back from syn to regular oil? Once u go with syn ur not suppose to go back to regular
Old 05-29-2004, 07:31 AM
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Default Re: Changing from synthetic to regular = check engine light??? (pip9)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by pip9 &raquo;</TD></TR><TR><TD CLASS="quote">i have the same cel. It shouldn't effect how ur car runs. Its a pretty common cel, so it might not be b/c of the oil change. btw..why did u change back from syn to regular oil? Once u go with syn ur not suppose to go back to regular</TD></TR></TABLE>

read my thread, we had a long discussion about this

https://honda-tech.com/zerothread?id=874278
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