1991 Mazda MPV Fuel injection

TERRY P

MEMBER
1991 MAZDA MPV

Engine Performance problem
1991 Mazda MPV 4 cyl Two Wheel Drive 160000 miles

The engine lost power I am getting spark on all cylinders the engine has a dead miss the owner replaced all plugs wires cap rotor and the distributor I ran the engine what I found was #3 cylinder isn't getting any fuel the owner has ohm the injectors he tell me they all read the same can you tell me what I need to check next

5 Replies

MHPAUTOS

MECHANIC
31,938 POSTS

Hi there,

Thank you for the donation,

The injector can still be faulty even if it is powered up, listen for a click, place a long screwdriver on the injector and place you ear on the other end, you should heart the injector click when running.

Mark (mhpautos)

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Saturday, May 15th, 2010 AT 9:24 AM

TERRY P

MEMBER
13 POSTS

We tried a new injector still nothing I am going to try noid lights to see if ther is a signal at the injector if ther is not what do I try next? I am going to check again for spark with a spark checker

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Sunday, June 20th, 2010 AT 7:27 AM

MHPAUTOS