LIKE A MAZDA 323 GTX

1989 Ford Laser

Tiny

tx3turbo

March, 13, 2011 AT 5:28 AM

Have a laser tx3 turbo 4wd, its having problems idling. Disconnect the airflow meter and off shes going but no acceleration dies with it connected it starts but wont idle, doesnt cleanly rev. Is there a map sensor on the lasers. There is a vacuum hose but connects in drivers chassis but after having a lock its connected to nothing. Enter your question.

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4 Answers

Tiny

caradiodoc

March, 13, 2011 AT 5:43 AM

If this is anything like the Probe, look for a plastic fresh air intake tube at the back of the engine by the firewall, between the mass air flow sensor and throttle body. Check that tube for cracks that lets unmetered air into the engine. When the Engine Computer doesn't know about that extra air, it doesn't command enough fuel to go with it.

Tiny

tx3turbo

March, 13, 2011 AT 7:08 AM

I did find that but it went in drivers chassis rail but connected to nothing. So where would the map sensor be?Any ideas?

Tiny

caradiodoc

March, 13, 2011 AT 7:50 AM

Check if there is a vacuum hose routing diagram under the hood. If it isn't missing it will show the MAP sensor if there is one. It will have a hose connected to it that goes to the throttle body or intake manifold. If you find a "baro" sensor instead, it won't have a hose on it. That is a MAP sensor that is only used to take a barometric pressure reading.

Tiny

tx3turbo

March, 13, 2011 AT 10:11 AM

Thanks

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