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I have a 1987 Mazda 626 hatch 2.2L non turbo auto
Starts fine but will not idle and stalls when in park after about 5 seconds
and after using the gas pedal to get going it will stall only when stopped in drive for about 10 minutes of the drive then its ok.
the faster it gets to running temp just under half then it idles perfect and no stalling.
I have read alot of other threads but no answers.
I had a mechanic check for vacuum leaks and found one where the EGR solenoid is you can see smoke coming out and hear girgling during the vacumm leak test.
Ok here is the update. I pulled the valve covers back off and took another look at both cams on both heads and indeed there is NO possible way that the 2 cams could even fit on the wrong head....so now im back to making sure that i have the two cams matched up on each head. It was my understanding that you match the dots on the two gears to align them. Is there any possible way to screw this up?
Did you replace the distributor as I can't tell from your original post? If not then I would look to the ignition control module which sits below the rotor. I had a 90 which simply stop running one day. Once I verified I had fuel and no spark it was a matter of time to narrow it down to the ICM. As luck would have it I swapped the distributor from my 91 to the 90 so my wife could drive it. I then lucked out getting both an NOS ICM on eBay and then an NOS distributor on eBay. The NOS distributor went into the car as that was easier then getting the ICM out.
The turbo ICM is different from my non-turbo and it runs $421 from Mazda but $105 on Rock Auto.
Well i pushed the car back into the shop last night....im going to pull the valve cover off the front to see if i can see any form of markings on that non-sprocket camshaft. Please weigh in if you have any thoughts.
I have a 2002 mazda with the DOHC V6 motor. I completely rebuilt the top end last year. (the car was bought with a bad head gasket so i never heard it run prior)
I put it all back together and checked my timing marks at least 4 times. All the marks on the sprockets are correct but when the engine turns over it sounds like there is ZERO compression and of course it doesn't run......i parked in in the "naughty" corner for a year now and moved on to other projects because i was very frustrated.
Just the other day I had some crazy thought.......even though the sprocket cams are all correct is it somehow possible that the second cam that is gear driven on each head possibly would have gotten mixed up in all of the rebuild process thus basically im running 2 intakes and two exhaust cams on the same head? I would think that Mazda would have designed in in such a way as they would not even have fit on there but that is my only other thought....i've tried looking online and cannot find any info on markings of the second camshaft that would show either IN or EX markins so i can pull the covers off and verify.
Any thoughts out there for me on this? Is it even remotely possible?