 Loud "Pop" |
 Mar 3, 2017 - 10:14 AM
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Enthusiast  Joined Apr 13, '16 From Milwaukee Currently Offline Reputation: 1 (100%)  |
Hello everyone,
I have a 1998 Celica GT auto with the 5sfe engine and I was merging on the highway so I decided to floor it but when it got to the 4000 rpm I heard a loud "pop" from the engine bay. Sounds like it came from the intake. Plus, it wouldn't shift and seem like it was hitting the rev limiter. So I wanted to see if anyone can help me with that. Mods: Injen short ram intake and custom 2.25 exhaust. |
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Replies
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Mar 3, 2017 - 1:19 PM
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 Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
Sounds like it backfired through the intake. Do you have any codes? When is the last time things like spark plugs and wires were changed? Any other issues prior or since? Usually backfire through the intake is a timing or run lean issue.
Or worst case you have valves sticking. This post has been edited by Box: Mar 3, 2017 - 1:20 PM -------------------- 2001 Miata LS 5-speed
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Posts in this topic
GuYun14 Loud "Pop" Mar 3, 2017 - 10:14 AM
GuYun14 QUOTE (Box @ Mar 3, 2017 - 1:19 PM) ... Mar 3, 2017 - 6:31 PM
Box If the fuel pressure is dropping that'd cause ... Mar 3, 2017 - 10:59 PM GuYun14 QUOTE (Box @ Mar 3, 2017 - 10:59 PM)... Mar 3, 2017 - 11:46 PM Bitter Does it run normally otherwise? It kind of sounds ... Mar 4, 2017 - 12:04 AM GuYun14 QUOTE (Bitter @ Mar 4, 2017 - 1:04 A... Mar 4, 2017 - 12:56 PM Box I'd double check timing marks then if it's... Mar 4, 2017 - 1:26 PM GuYun14 Thanks for the advice but since I'm not mechan... Mar 4, 2017 - 2:53 PM Blk94GT2200 This may have happened for several different reaso... Mar 5, 2017 - 10:44 AM Blk94GT2200 Check your:
Fuel pressure while driving-
Remove sp... Mar 5, 2017 - 10:52 AM Box Well if you have to redo timing it's somewhat ... Mar 5, 2017 - 3:19 PM GuYun14 QUOTE (Blk94GT2200 @ Mar 5, 2017 - 10... Mar 5, 2017 - 8:22 PM |
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