2nd gen error code 27 and 37
#1
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2nd gen error code 27 and 37
Hey there, I am in desperate need of advice. I have a 1990 GTU and just recently after letting it sit for a few months I developed a new problem. I was able to get the car to start with the help of some Marvel Mystery Oil in the spark plug holes.
After the smoke had cleared I tried to take it around the block. When I reached about 4k and the engine was under load the car cut out. I think based on the abruptness of the stall, and the backfire that followed, it has to be from a lack of spark. Once the car is fully warm, if I shut it off and turn it back on the engine light goes out and it runs fine. When I pulled the error codes I got back 27 and 37 which are related to the metering oil pump. Does anyone know how to fix this? Or if this could be caused by a ECU problem.
Thanks for your time!
After the smoke had cleared I tried to take it around the block. When I reached about 4k and the engine was under load the car cut out. I think based on the abruptness of the stall, and the backfire that followed, it has to be from a lack of spark. Once the car is fully warm, if I shut it off and turn it back on the engine light goes out and it runs fine. When I pulled the error codes I got back 27 and 37 which are related to the metering oil pump. Does anyone know how to fix this? Or if this could be caused by a ECU problem.
Thanks for your time!
#3
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Thanks for you input Aaron. I tried pulling the MOP to clean all the connections and internals. I even tried putting in a spare ecu in. The car ran fine for about 3 days. Then of course the car starting having the same problems and error codes. Look likes it's time to track down a MOP. I am having trouble finding a used electronic S5 version for sale. Does anyone know where to get one or have one to sell? Thanks
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I was also wondering if anyone has found aftermarket stainless steel MOP lines. I found some for FDs but not FCs. While I have been messing with MOP I cracked one of the hard stock plastic ones.
#7
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https://www.rx7club.com/2nd-gen-archive-72/rebuilding-omp-oil-injection-lines-348068/
it was a super easy job to do, and didn't cost much either. you might wanna look into it unless you have your heart set on SS
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