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Found 7 results

  1. Thanks in advance for any and all ideas! I have a 1999 626 I4 2.0L manual transmission with about 135000 miles. Recently, it was having a tough time starting, and could only start with the accelerator pedal pressed somewhat. I took it into the shop, and the mechanic found a vacuum leak, and replaced the intake manifold gasket. He mentioned that the IAC may need to be replaced too, and said it would idle a bit low until the computer readjusted. Over the next couple weeks, it drove somewhat okay but with low idle, and the engine would sometimes stall at a stop with the AC turned on.
  2. Want to replace Torx screw as its a pain and worn out and will be removing Phillips screws for first time. Need to have replacement bolt/screws for these before I start job. Have seen members talk about replacing with hex or Allen heads but can't find size/length on mazda estores, here or elsewhere. Have 2001 2.0l 626 would appreciate if someone replaced these let me know. Thanks in advance. -Don
  3. I'm wondering how far open the IAC is supposed to be at idle. On my 98 626 2L it is 46% open at idle according to the PCM, and goes to 52% when I turn on the AC.
  4. Greetings everyone, Hope your Thanksgivings were good. I spent my Saturday doing Preventive maintence on my 626. It took me Saturday from about 6pm to 4am sunday. Then ran into a gasket issue that morning. All day sunday was spent diagnosing and fixing the problem. Never cleaned a TB before, heck never knew I needed to do it until now. I wasn't able to pull apart my IAC. Everything seems to be working fine. Here's the story. Pulled the elbow off and found that the intake elbow had a small split down the top. You can see inside the intake manifold after taking off the TB. You can see
  5. Ok, basics first. I'm not new to Mazda's, as I have owned two 85 626 2.0 carbed automatics, a 91 626 2.2 DX 5-speed, 92 Prot
  6. My car recently started sputtering (hesitating, bucking) on occasion when I accelerate from a full stop. Additionally, it occasionally seems to temporarily lose speed when driving at a constant high speed. Right now these are merely annoying, but I fear long term effects. Check engine light has been on since I've owned it (Mech said its Cat Converter and another mentioned the IAC). At first, my car seemed to have plenty of power and though my idle RPM is low (500-600) it doesn't stall. So i asked some people and they said don't worry until I lose power or experience a stall. So here I am. T
  7. I tried searching all over the forum about the IAC for a specific question, but it's gonna take forever going through all these posts and I probably won't find the answer. The question is why are there coolant flowing through the IAC? I've read somewhere about warming up the IAC for engine performance but exactly how does that work and want to clarify it?
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