First of all, keep in mind that I am unable to diagnose you because I am unable to examine you, this forum is for educational purposes.
The symptoms that you describe are commonly found in patients with a peripheral neuropathy. This is a condition that starts with burning/tingling in the feet (the longest peripheral nerves in the body) then extends up the legs, affects the finger tips and progresses up the arms with time. The most common condition causing peripheral neuropathy is diabetes, but here are many others including congentital (charcot-marie tooth disease), immune related (lupus, etc), vascular (vasculitis), cancer related (multiple myeloma, paraneoplastic) and idiopathic (we dont know the cause). There is no credible information about ACE inhibitors causing peripheral neuropathy that I am aware of (this would be an odd reaction). There is a number of good studies that indicate that ACE inhibitors are beneficial for peripheral neuropathy related to diabetes. There are also other things that could lead to your symptoms, such as hyperventilation (usually caused by anxiety). Another is an elctrolyte imbalance that can occur if you are taking a diuretic in combination with the ACE inhibitor (such as HCTZ, spironolactone, lasix, etc). I would suggest that you get an EMG at a major academic center (inconclusive is a strange answer). I would also suggest that your neurologist have you hyperventalate in their office to see if it reproduces your symptoms. I would also check some basic blood work including B12, RPR,monoclonal protein screen, ANA, B6, TSH, CMP, ESR, CRP and lyme antibodies to evaluate for common causes of peripheral neuropathy/electrolytes.
I hope this has been helpful.
I am really curious about the answer you'll get. I started having neurological symptoms (sensory only) about 15 days after start treating my HBP with triamterene and hydrochlorothiazide. This was 2 years ago. After several exams and no anwers I asked my doctor to change my medicine, he changed for ACE and the symptoms didn't change. Now I'm taking b-blocker, but it is still a question marker to me. I would like to be able to stop taking BP medicine, but it's too risk... I keep wondering if I'm having a circulatory problem rather than neurological... or if it was a drug side effect...
Good luck, hope you feel better soon.
Way back I my doctor started me out on hydrochlorothiazide. I had a very bad reaction to it. It made me flushed and much of my body felt like it was on fire... Quite unpleasant. It's nasty stuff...