Hesitation at WOT
Thread Starter
Instructor
Joined: Apr 2017
Posts: 187
Likes: 24
From: Columbia South Carolina
Hesitation at WOT
I have a 94 auto 116k Miles, no modifications. I jumped in today for a drive, my first since Saturday. After it warmed up a little I hit the gas and had a major bog, it sped up then bogged for a half second then full throttle again. I had no CEL, and it did not repeat this again. I have never had this happen before. I have the original opti, plugs and wires. No codes. Anyone have an idea what may have caused this? Thanks!
Racer
Joined: Apr 2018
Posts: 349
Likes: 55
I have a 94 auto 116k Miles, no modifications. I jumped in today for a drive, my first since Saturday. After it warmed up a little I hit the gas and had a major bog, it sped up then bogged for a half second then full throttle again. I had no CEL, and it did not repeat this again. I have never had this happen before. I have the original opti, plugs and wires. No codes. Anyone have an idea what may have caused this? Thanks!
Zen Vet Master Level VII
Joined: Mar 2016
Posts: 5,218
Likes: 1,174
From: Southlake, TX
Yeah, I'm with 383. It sounds like your engine thinks it is still cold so the Air/fuel ratio is "off" for a WOT run. In the old carburetor days, a cold engine would do that when the choke would not full open.
Now, having said that, put check your fuel pressure to eliminate any doubts. Tif good, either let your engine warm or your coolant temperature sensor may be starting to show its age.
Now, having said that, put check your fuel pressure to eliminate any doubts. Tif good, either let your engine warm or your coolant temperature sensor may be starting to show its age.
