 Help: Check engine light on, code 71 |
 Dec 19, 2012 - 7:50 PM
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Enthusiast Joined Dec 19, '12 From California Currently Offline Reputation: 0 (0%)  |
Hi, I have a '94 Celica ST automatic, with about 170,000 miles. The check engine light is on and it's code 71. I already cleaned out the EGR, but the check engine light came back on after I reset it. So I got another EGR used from Pick a Part, and the light is back on again. Could it just be it needs a new sensor?
Also, smoke comes out of the tail pipe when I give it gas, and it smells really bad. Is it unrelated to the check engine light being on? I've considered having the engine rebuilt, but I want to make sure before I spend that much money. It has good compression. I bought valve seals but the person who was going to do them said it would be best to just rebuild the engine. And the person I bought the car from said he recently rebuilt the engine. So I just don't know.. I'd appreciate any ideas on these problems. Thank you! |
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Replies
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Dec 31, 2012 - 7:06 PM
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 Enthusiast  Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
You can give it a shot. Personally I wouldn't rebuild it unless the performance of the engine has been hampered. What you should do is piston soak it overnight with the Marvel, then run it with the Marvel in the crankcase. All else fails you can switch out to a heavier weight oil to slow the burn.
-------------------- 2001 Miata LS 5-speed
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Posts in this topic
Jules88 Help: Check engine light on, code 71 Dec 19, 2012 - 7:50 PM
Box There're 4 components within the EGR system, a... Dec 19, 2012 - 8:56 PM Box Also on the other issue. Is the smoke blue or bla... Dec 19, 2012 - 9:04 PM
Jules88 Thanks for the advice. The smoke is gray, and ther... Dec 31, 2012 - 4:29 PM Jules88 Alright I'm going to try that tomorrow, thanks... Jan 12, 2013 - 10:34 PM stephen_lee apply vac to the port on the egr valve(either with... Jan 12, 2013 - 11:31 PM BonzaiCelica Ok so since this is the most recent check engine c... Jul 12, 2013 - 4:51 PM richee3 There should be a TC pin in your diagnostic box. T... Jul 12, 2013 - 5:05 PM BonzaiCelica Thx but i failed before i even posted here. I conn... Jul 14, 2013 - 2:15 AM |
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