Exhuast glows MAJOR hesitansion backfire, cats guted now
02-26-03, 11:47 PM
#1
Hks Ownz Me (
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Exhuast glows MAJOR hesitansion backfire, cats guted now
ok heres the story, one day while driving the car up a hill around 4k rpms in 2nd no major load or anything i get a backfire and the car starts running like crap.... ( compression is still in the mid 90's on the fronts ) exhuast was glowing RED/ORANGE thought it was the cats so i gutted them.... now the car still runs like **** major hesistation, wont go above 4k rpms backfires EVERYWHERE!! 
whats up with this car?!?
thanks
josh
whats up with this car?!?thanks
josh
02-27-03, 01:50 AM
#4
OBEY YOUR MAZDA
check your water thermo sensor, its located on the water pump housing underneath the alternator, the FSM has a well explained section about it. I dont remember wher it is. Get new vaccum hoses and ste tps, it worked wonders on my 86 gxl
02-27-03, 02:22 PM
#5
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Also make sure that your plugs are good. I had a similar situation, glowing cats and no power and it turned out the plugs were shot. So the gas burned in the cats instead of the engine.
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02-27-03, 07:40 PM
#8
...94% correct.
have any of you looked under your cars after driving??? At night??? The exhaust manifold and pre cat glows no matter what! It's a normal thing. The exhaust temps of an RX7 are ridiculously high.
As far as the afterburn and loss of power you might want to try the de-flooding proceedure. Several times while driving my '87 NA I had similar problems and it turned out that I was running way too rich (too much gas...I think that's rich) and it would flood out on me from time to time.
As far as the afterburn and loss of power you might want to try the de-flooding proceedure. Several times while driving my '87 NA I had similar problems and it turned out that I was running way too rich (too much gas...I think that's rich) and it would flood out on me from time to time.
02-27-03, 08:51 PM
#14
My cars louder than yours
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Yeah, ear test can fail pretty bad, it may sound strong, but once it gets resistance it'll blow by the seals. Id do a real comp test on it, i bet its blown, sorry to say it.
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