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Originally Posted by spatki1
...to test TPS, he refused ...
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1. "Entire engine" is NOT an answer:
- are coilpacks new
- intake original (no re-installation), TPS, all sensors = are they new and if so, which ones are OLD???
--->This leads to the "original problem": what is it, are symptoms exactlyt the same??? And I mean exact. If so, the current problem lies within "the OLD parts". (Howabout Fuel Pressure?)
2. If the mech refuses to test the most obvious (TPS tst =2minutes), youre in wrong shop. Sorry...
3. Seek this and other forums, you'll see that two dead reman MAF's in a row seems to be more like a rule than exception. And first one to know this, is your repairguy... I guess he has no clue how to tst a MAF, refuses to learn? Let him show how. Next, Return this MAF, demand new. Btw, MAF is an easy DIY replacement...
Getting able servicemen willing to troubleshoot (these currently over-) computerized cars is a problem. Your current service guy has also an attitude problem on top of that, no way to heal his processes... Get out: I'd pay only for mechanical engine drop & re-installation (only if that is ok), meaning for 10hours max, plus the engine. This because he has all resources and car will not still run. Other than that, I'd sue the shop if no agreement. First take (pay?) smbdy who knows about cars with you, try to settle the case, do NOT go alone. Whatever u do, find some local technical & legal advice, that will cost a fraction of the costs looming in the horizon... There has to be some car/consumer associations u can call.
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Troubleshootin this kind of totally unknown engine, all settings now definitely haywire, has to start from scratch. And that means ONLY provenly able service guys. Dealership is the la$t place... what will be done, all has to be written down.
First MAF, TPS, CAMPos -sensors have to be tested/proven this -or- that way. Next the engine: compression tst, ign timing, coilpacks, injectors, fuel pressure. One question, I have no answer as details missing: is the engine really compatible with your ECU ('new' ? subharness, sensors).
I hope you'll find a real Nissan mechanic!
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