 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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Mar 3, 2017 - 10:59 PM
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 Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
If the fuel pressure is dropping that'd cause it to run lean and backfire.
If plug wire order was off that'd be another possible cause, but I'm sure it'd have done it before now if that were the case. -------------------- 2001 Miata LS 5-speed
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Mar 3, 2017 - 11:46 PM
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Enthusiast Joined Apr 13, '16 From Milwaukee Currently Offline Reputation: 1 (100%) |
QUOTE (Box @ Mar 3, 2017 - 10:59 PM)  If the fuel pressure is dropping that'd cause it to run lean and backfire. If plug wire order was off that'd be another possible cause, but I'm sure it'd have done it before now if that were the case. Well, the issue has been since the new motor got put in. That's why I did all the mainetance to see if it would get fixed but so far no luck. So whenever I want to merge or pass a car and just punch it, the same issue always happen. |
Posts in this topic
GuYun14 Loud "Pop" Mar 3, 2017 - 10:14 AM
Box Sounds like it backfired through the intake. Do y... Mar 3, 2017 - 1:19 PM
GuYun14 QUOTE (Box @ Mar 3, 2017 - 1:19 PM) ... Mar 3, 2017 - 6:31 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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