Question about 1994 Ford Taurus

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94 wagon check engine light on i have the code tool but cant pull code out could it be a short or the ecm bad i smelld something burring like wires looked in engine capartment touch almost ever wire nothing could it be the ecm that is bad sometimes the light will go out & run fine but it comes back on

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Anything is possible, but ford ECMs are known for there lack of failure. they almost never go bad. in 12 years as a performance and diagnostic specialist I've replaced scores of GM ECMs, 4 or 5 chryslers, two toyotas, and one ford ECM. I replaced it at my manager's insistence, and it did not fix the problem. had any mechanical work done lately? valve cover gaskets, oil pan gaskets, or the like? maybe a ground wire was not put back on tight enough or in the right spot?

Posted on Aug 30, 2010

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05 jeep liberty p0132 code


code p 0132 refers to heated oxygen sensor (HO2S) 1 bank 1---high voltage ===causes ---wiring short to positive --HO2S --- ECM
it also refers to oxygen sensor (O2S) 1 bank 1--high voltage ===causes ---wiring short to positive -O2S--ECM

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ENGINE LIGHT ON CODES P0141 & P0144


code p 0141 refers to heated oxygen sensor (HO2S) 2 bank 1--heater control--circuit malfunction===causes --wiring---HO2S--- ECM
code p 0144 refers to heated oxygen sensor(HO2S) 3 bank 1--high voltage ===causes wiring short to positive ---HO2S---ECM
also refers to oxygen sensor(O2S) 3 bank 1--high voltage ===causes wiring short to positive---O2S-- ECM
HO2S sensors are the units in the exhaust manifolds or before the cat converters
O2 sensors are after the cat converter
two completely different operations
use the special tool for sensors as the wires are easily damaged from the wrong tool use
as for misfiring you will get a P0300 (0300,0301,0302,0303 etc) depending on which cylinders are misfiring
when checking for misfiring the injectors , (blocked or not firing) are as important as plugs and wires
If the misfiring continues after sensor replacement , replace the ECM with a known good one as it is common to all fault codes and misfiring

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NO START NO DATA ON SCAN TOOL CHECK ENGINE LIGHT DOES NO LIGHT HAVE SPARK FUEL PRESSURE NO NOID LIGHT


many yr, make & models out there, but I would start at ECM. checking connectors & wiring for shorts & bad grounds. Pull out wiring diagrams first for harness.

Feb 07, 2016 | Cars & Trucks

1 Answer

ECM 1 fuse keeps blowing on my 94 S10 blazer,,what will cause this problem?


A bad relay or a shorted wire. Pull the relay, turn the ignition on. Fuse pops, bad wire from the ignition switch to the fuse/relay panel. If it doesn't, swap relays in the panel. Turn it on, if the fuse pops, bad wire to the ECM or the ECM has shorted internally. If it doesn't pop, replace the relay.

Jul 30, 2015 | Cars & Trucks

1 Answer

Can a vehicle run with a non functioning ECM?


if the check engine lite doesn't work it most likely needs cluster removed and bulb replaced its blown. if the computer is bad it wont run. I wanna say that ecu fuse will clear code from computer but its not main power to it. I would start with the bulb that way you can get code.

Feb 18, 2015 | 1994 Toyota 4Runner

1 Answer

Have a 94 toyota camry , check engine light comes on when stop at light or car sits at idle. got codes 12 , 22, am very confused !!


Code 12. RPM signal.
Problem area: Loose connection, broken rpm signal wire from distributor to ecm to rpm meter, rpm meter, distributor assembly or ecm defective.
Code 22. Water temperature signal.
Problem area: Loose connection at water temperature sensor connector, broken wire between the sensor and the ecm, defective sensor or ecm.

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1 Answer

94 volvo 960 wagon engine turns over but it won't


have you check for injector pulse? if no pulse or no ignition fire, most likely it is the ECM.

Jun 13, 2012 | Cars & Trucks

1 Answer

Speedometer works sporadically- shows code 52 ECM replaced the vss speed sensor


what year is your car cause on a 95 and later models the code for speed sensor is w/scan tool is p0720 and by check engine light flashing is 1102 and from years 93 and 94 is 14 so need to know year to help you. but it sound like a circuit short if you just added any thing to your car can be the problem too. if wiring was not done right need to re check if added anything new.

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Engine indicator lights on


Yes it does have a connection with the ECM (Engine Control Module) or PCM (Powertrain Control Module) but being that the vehicle is a 94 it is OBD I (On Board diagnostics First Gen.) so you will need a Toyota specific scan tool to retrieve the code to see what codes you have stored.

Dec 03, 2008 | 1994 Toyota Corolla

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