92 mazda B2600i pickup

2012 MAZDA TRUCK
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KPTHOMAS
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I have a 92 mazda B2600i pickup that starts fine but shortly after warming ups starts faltering anf missing. If the accellerator is depressed the enging tries to die. Brainbox has been sent out for repair and sent back to be tested, unit tests fine. Standard stuff done as far as tune up. New coil installed still have problem. Any help would be appreciated. Note I had 84 nissan sentra wagon with similiar issues and that took a distributor replacement to cure.
Jan 12, 2006 at 6:03 AM
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Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.

Return for diagnosis while the warm-running failure is present, with the full history of temporary improvement and failed replacements.

Guidance references and applicability

Source: Original question and visible replies. Owner outcomes are attributed; other participants' experiences are not treated as this owner's repair. Next steps are editorial guidance, not a confirmed diagnosis.

Read the replies · Discussion summary and reported outcome

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2CARPRO JACK
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  • 11,533 POSTS
fuel pressure OK? Try a MAF sensor
Jan 18, 2006 at 9:42 AM
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COSMO
  • ✓Experienced Mechanic
  • 347 POSTS
I know that you had the ECU or PCM sent out and checked....but you should physically inspect the inside of it...make sure you grounded (touch something metal like a bench) and take the screws off the ecu/pcm covers and check inside on the circuit board for corrosion....b2200 and b2600i's are common for getting moisture into the computers and causing a ton of problems like you just described.

Cosmo..Mazda Tech
Jan 18, 2006 at 2:30 PM
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KPTHOMAS
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Turned out to be the distributor. Thanks
Jan 23, 2006 at 3:49 AM
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KPTHOMAS
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The distributor change out made the truck run like normal initially. Now the truck is back to doing the same thing. Runs great until warmed up. Then begins trying to die when ever the accelorater is depressed. Already tried MAF.
Jan 26, 2006 at 5:03 AM
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T_BROCK
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I just joined the forum and read your posting from January 12. Did you ever get this problem fixed? If so, what did you find?
Apr 4, 2007 at 8:38 AM

Discussion summary

92 mazda B2600i pickup

A 1992 B2600i ran normally when cold but faltered after warming up. The owner reported control-unit checks, tune-up work and a new coil. Distributor replacement initially helped, but the same symptoms returned; a mass-airflow-sensor trial had also been unsuccessful.

Reported outcome: No lasting repair was documented. The owner's later update withdrew the apparent success of the distributor replacement.

The initial success report must not be treated as a confirmed final fix. No later measurements or answer to the follow-up question were provided.

Read the original discussion

AI-ASSISTED SUMMARY · REVIEWED BY 2CARPROS
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