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1995 mazda, stumbles upon acceleration
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gahumble
User
Apr 13, 2012, 6:36 PM
Post #1 of 8
(2937 views)
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1995 mazda, stumbles upon acceleration
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i have a 1995 mazda 626 2.5L, 5sdp. it hesitates/stumbles upon acceleration until 1600 - 2000 rpm then runs ok. replaced plugs, dist cap, rotor appears ok. wires resitance under 11k ohms/3ft. new fuel pump/strainer/filter. 2 stage injector service(manifold and fuel additive) also tried a known working MAF meter. any ideas?
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 13, 2012, 7:57 PM
Post #2 of 8
(2888 views)
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Re: 1995 mazda, stumbles upon acceleration
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Check engine light on? You try a coil output test. Good coil should be able to produce a spark that jumps 3/4 of an inch.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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gahumble
User
Apr 14, 2012, 8:06 AM
Post #3 of 8
(2850 views)
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Re: 1995 mazda, stumbles upon acceleration
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no eng. light, will ck coil. thank you
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gahumble
User
Apr 15, 2012, 1:12 PM
Post #4 of 8
(2812 views)
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Re: 1995 mazda, stumbles upon acceleration
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it has an integral coil ?
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 15, 2012, 1:50 PM
Post #6 of 8
(2799 views)
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Re: 1995 mazda, stumbles upon acceleration
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Pull the distributor cap off and you'll see the coil lead. Take a 12 volt test lamp connected to battery ground. Hold the probe of the test lamp against the coil lead while someone cranks the engine. Pull the probe away from the lead and see how far the spark can jump to your test lamp while the engine is cranking. Should be able to jump 3/4 inch gap with no problem. Don't crank the engine with the cap off without something for the spark to jump to though.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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gahumble
User
Feb 6, 2013, 11:39 AM
Post #7 of 8
(2383 views)
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Re: 1995 mazda, stumbles upon acceleration
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never got the car back. lady sold it as is
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Discretesignals
Ultimate Carjunky
/ Moderator
Feb 6, 2013, 4:57 PM
Post #8 of 8
(2372 views)
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Re: 1995 mazda, stumbles upon acceleration
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I guess that is the monkey off your back. Thanks for the follow up. Thread closed.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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