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Re-occurring P1135 engine code on Miata 2000 above 4000 RPM --...
A good smog test AND repair center that you might know and trust may be
your best bet |
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#12
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Re-occurring P1135 engine code on Miata 2000 above 4000 RPM --...
Well, I can feel your pain for having a problem. BUT, I can't feel the
the same pain that you have for a "dealer" that somehow people run into. I live in Seattle WA. One of the dealers we have here is the "First" dealer for Mazda in the US. I had a head gasket problem on my '91. It was 1994 and way out of time and milage, but they replaced it. 4 years (yes 4 years) later, it started to leak again. I took it in and after they had the car for 2 days, ( a free loaner car to me ) they said that they would relplace the gasket at no charge. Sooooooo, you see, it is hard for me to think all dealer service is bad. I hope you can find a dealer that will treat you well and fix your problems. Bruce Bing '03 LS |
#13
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Re-occurring P1135 engine code on Miata 2000 above 4000 RPM
> GUEST wrote: > I have replaced the front heated oxygen sensor with a Mazda new unit to > fix a fault consistent with the P1135 indicator and I have cleared the > engine code/CEL. However, whenever I wind up the engine above 4000 RPMs, > the engine light, the P1135 code and 2 sensor indicators (whatever that > is) come up up again. I have searched the net for equivalent failure > modes and I can find some cases when this has occurred, but it appears > that people have not posted the subsequent solution. The engine does not > run rough at all at any RPM and there is no lost of engine power. The > P1135 code is the only one that gets triggered. This is a bit confusing, > since other failures associated with the coil, etc. triggered other > codes in some of the web postings I have read. > > Is this an indicator of problems in the VICS, the coil pack, the > EGR/ducting or what? Unless the new Mazda OEM front O2 sensor is also > bad, I think the P1135 indicator is a mis-mapping of some other fault > cause. > > Thanks for any help or follow on discussion. > > Zoom, zoom, zoom. :-\ > > Roland > (original owner Miata 2000 SE, 48,000 miles, one year old NGK plugs and > cables, good battery, everything else is original) Rha: I am currently having the same problem. Just purchased a 2000 Miata and I got two codes last week, a PO300 and P1135. Fixed the plug wiring and no more PO300, but I can't keep the car from showing a P1135 once I go WOT. It appears to be the same problems you were having back in '07. I am curious on if you found a final diagnosis, was it a bad ground? I've replaced the plugs and plug wires. 'm tempted to just take it in to the miata dealer but will be getting my hands on a jack next week so I think I'll wait to look at the rear O2 sensor wiring. Let me know if you have any input. Thanks for your time. |
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