Thread: P-1202 Code
08-30-2013, 09:41 AM #1
I have a 04 speedster 200 with twin 155 engines and have a engine light that keeps coming on my port engine, if I remove the dess key it goes off for a while then comes back. Here are my CanDoo findings: Port engine that had the check engine light had code p1202- Oil tank pressure switch implausible OR blow-by valve closed. This occurred 34 times. I then figured I would check the starboard engine just for kicks and found it had the same listed code but only occurred 14 times and never had a light on that engine come in. Attached are pics from the fault code, sorry bad glare outside.
I also went to the engine min and max readings as follows: Im concerned with the engine and exhaust temps on both although no temp light ever came on.
intake pressure 2.9-15.81
engine temp 46.4-134.6
exhaust temp 44.6- 284
engine temp 42.8-217.4
Port (engine with check engine light)
08-30-2013, 03:51 PM #2
I did some searching and calling around and was told there are 2 oil pressure switches- one on the block and one by the oil fill. How Do I know which one needs replacing? Also how do you test the T.O.P.S. Valve to see if its working. I read to listen for a "click" but when should I be hearing it? Doesnt look like we are going to the lake this weekend
08-31-2013, 09:46 AM #3
08-31-2013, 01:21 PM #4
- Join Date
- Dec 2012
You can activate the TOPS with your CanDoo, my rxt was acting up (going into limp mode) and found that the tops connection had a small amount of corrosion on it. When you activate it you will hear it "click"
08-31-2013, 02:54 PM #5
Thanks, I will take a look again. Too dam hot now 103* and no wind . Do you know where on the program I would go? Its all new to me but learning fast.
Any thoughts in the variations on the engine and exhaust temps? I would think they would both be closer than that.
09-01-2013, 09:23 AM #6
09-06-2013, 08:46 AM #7
The TOPS valve clicked. It must be a bad switch. Now which one do I get, the top or the bottom one as well?
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