Check Engine light after T56 Swap I've noticed that while I'm driving around my check engine light will come on. I don't have my VSS hooked up to anything, is that going to cause a problem or can I just ignore it untill I get the Dakota Converter? |
Re: Check Engine light after T56 Swap yes that will trip a code |
Re: Check Engine light after T56 Swap I'm aware of that, I was asking if the code is going to cause an issue with the rest of the car or can I just ignore it? |
Re: Check Engine light after T56 Swap Yes it will cause issues. It confuses the ECM because it has no clue how fast the car is going. The usual complaint it that it idles high and the RPMs hunt. It won't run right regardless of the details until it's all hooked up right and working. If you have the original T-56 reluctor still in there, eeeeeeezyest thing to do is use the Dakota Digital ratio box. You need to set it up to convert 17 pulses per drive shaft rev from the T-56, to either the 2 pulses or 4 pulses (4 I think in your setup) per rev that the ECM needs. |
Re: Check Engine light after T56 Swap
Originally Posted by sofakingdom
(Post 6280961)
Yes it will cause issues. It confuses the ECM because it has no clue how fast the car is going. The usual complaint it that it idles high and the RPMs hunt. It won't run right regardless of the details until it's all hooked up right and working. If you have the original T-56 reluctor still in there, eeeeeeezyest thing to do is use the Dakota Digital ratio box. You need to set it up to convert 17 pulses per drive shaft rev from the T-56, to either the 2 pulses or 4 pulses (4 I think in your setup) per rev that the ECM needs. Thank you for your expertise. |
Re: Check Engine light after T56 Swap Yes I recall helping him out alot in that thread, he was very methodical and did his research well with good documentation. Made it easy to contribute usefully. If whatever ill effects it has are acceptable to you, then sure, you can wait. It isn't a "do it or else you'll tear it up" kind of thing; more a matter of driveability. We all have our own thresholds of pain in that dept that we have to live with by ourselves. |
Re: Check Engine light after T56 Swap You will experience stalling and mild drivability problems. If you know how to drive, it won't kill you. |
Re: Check Engine light after T56 Swap
Originally Posted by jmd
(Post 6281169)
You will experience stalling and mild drivability problems. If you know how to drive, it won't kill you. |
Re: Check Engine light after T56 Swap Back in 2001, I did a T56 swap in a 91 Z. I did not have a VSS signal going to the ECM. I experienced stalling when pushing the clutch in while driving. The engine would hunt for an idle RPM and stall out. It was annoying and eventually caused me to hit something one day while trying to turn steer into a construction site from off the highway. I pushed the clutch to coast and brake and the car stalled. Lost power brakes and steering and ended up really jamming on the brake pedal. This locked up the wheels in the sand and I slid into a bulldozer. No joke. I put the stupid VSS setup in the following weekend AND replaced the bumper cover. |
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