7mgte stalls on acceleration

10

Asked by NinjaLoBTK Sep 22, 2018 at 05:32 PM about the 1992 Toyota Supra 2 Dr Turbo Hatchback

Question type: Maintenance & Repair

I own 92 Toyota Supra Turbo 7mgte. 192,××× miles
And I'm having some power issues, stalling , and dying under acceleration.
The rpms drop after driving car for a bit..
When I'm at a stop light,or just accelerating from a stop the car stalls and
HAS died on me a couple times? I have a huge loss in overal power as
well? Now I've done a tune up about a year ago,I've checked for boost
leaks,and changed MAF,now the problem didn't get this bad till about the
past few months,its getting really bad to where I'm nervous to even go
anywhere that has stoplights.. it also when it finally gets going it takes off
and is fine unless I get on it pretty good then the car like shuts down
completely and engine light comes on? If I'm going up hill it wants to keep
losing speed until I get to top? What could this problem be? Or problems? I
was thinking egr,turbo issue, or maybe cat converter?
Please help me guys!!

3 Answers
10

NinjaLoBTK answered 6 years ago

The only code that popped up awhile back and went immediately back off was my maf,so I replaced it..and it still ran the same after,but now it's real bad..I got 02 sensor on the way hopefully that'll help,if not it's a cheap upgrade..I have used egr I ordered off Ebay haven't put it in yet because seems like a big issue where at..

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9,760

Mike answered 6 years ago

The maf code sets after an engine stall and confuses a lot of people. The 02 is what tells the ecm what the fuel mixture is and the ecm changes the injector on time (duty cycle) or mixture. If the egr goes bad it will usually cause hard starting, no or rough idle and surging so I'd leave it alone. I hope this helps you

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