Question about 1992 Toyota Supra

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My supra is starting, misfiring alot and then

My supra is starting with a horrible whine, misfiring alot, and then stalls out

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You might have to do a tune up

Posted on Sep 29, 2009


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Stalling when turn back on

all stalls end in CEL check engine light on. that is normal
but CEL glow. when engine running , means you had a failure, and it stored DTC error codes, so scan it.
lots of causes. huge list.
get a tune up , tops list.

SCAN it to be sure all sensors work. running.
all fuses in car good.
by stalls , i assume the engine stalls and engine RPM is 0 RPM.
the stall cause the whole dash to light up, all the warning lamps come
on (self test) oil , charge , CEL. come on.
what is important is the stall and the cause.

i will tell you the 3 ways.
lost electrical power to engine EFI system (seems not)
bad engine, (lost compression hot)?
bad spark , spark died.?
bad fueling, lost all fueling (starves and stalls or floods and misfires horribly and stalls (black spark plug tips are big time clue)

if non eof the rings a bell.?
get the car serviced.

this car is newer nicer car, you (we) can scan and drive and log data.
allowing faster easy diagnosis.

Mar 12, 2014 | 2004 Jeep Liberty

1 Answer

Starts and runs great but dies when you hit the brakes it dies

engine stalls.
can be 50 reasons
but are this.
needs a 60k mile tune up bad.
1: EFI system has 12vdc power loss. (see dash dim?)_
2: engine misfires. horribly and idle controls failed, (all will like that)
3: engine floods, same.
4: engine fueling drops so low and lean the engine stalls.
5: bad engine, cam time or sparking way off or 45 other engine prob.
there is a test for each one, need a list?
and last, 6: the ISC is stuck close, or EGR stuck open

did you pull the DTC scan codes, the CEL blink test?
from the ECU?
is the CEL glowing (lamp in dash) running?
omg, this is not a carb engine is it, many 87 were.
1987 is a cusp year, in USA for end off all carbs. (EPA rules)

Jan 15, 2014 | 1987 Toyota Supra

1 Answer

I have a 1993 honda accord that will start but won't stay cranked...what's wrong?

A few things to check:

Wrong spark plugs installed - causing too many misfires
Timing problem - the ECC (Engine Control Computer) will give up after a short while if it cannot get the engine to operate in correct time
clogged fuel filter
clogged air filter
clogged fuel strainer
worn distributor cap/rotor
failing fuel pump
vacuum leak
faulty ECC (Engine Control Computer)
ignition coil failing - the ECC will stall the engine if too many misfires are detected.
wireset - faulty spark plug wire(s) causing too many misfires.
faulty fuel pressure regulator
EGR valve faulty

If the engine is misfiring alot, it will **** the resulting unburned fuel out the exhaust pipe, so check for this as well.

Nov 27, 2011 | Cars & Trucks

1 Answer

Intermitant cold start misfire

Most likely none are related to the computer. Surging idle is often a sign of a vacuum leak and can cause random misfires. Vacuum leak would also cause hesitation. Sensor heater can be a fuse, wiring or bad sensor. What's the window doing?

Aug 23, 2017 | 2001 Dodge Caravan

1 Answer

1989 toyota supra hesitates and won't start

If Engine Starts with accelerator pedal depressed , check idle speed control valve (if equipped) and wiring connection. Did you check for vacuum leaks. Do you know if your ignition timing is correct? How did you check your fuel pump? I take it no codes have been set, so if not there are several things to check for when the engine stalls #1 is to check cold start injector and cold start injector time switch. If engine stalls sometimes- check airflow meter and connectors You can tap the connector or relay or wiggle and notice if there is a slight change in the engine idle.

Jul 31, 2009 | 1988 Toyota Supra

2 Answers

1989 Supra will not start, New battery. 5 Speed

starter isnt engaging, if you know where the starter is, tap on it with a hammer
1 person crank it over while the other person taps on it - its on the back of the engine

Jul 07, 2009 | 1988 Toyota Supra

1 Answer

Evap system errors, cylinder misfires....

it is VERY common for the gas cap seals to go bad and cause an EVAP leak that generates a code.. i have seen alot of this in recent years, these cars now have pressurized systems....good luck! it could be a quick and cheap repair!

May 22, 2009 | 2002 Dodge Durango

1 Answer

1998 Monte Carlo 3.1 liter stalled out making horrible noise only code coming up is PO305 which is #5 cylinder misfire, what could be the cause wires and coil have spark number 5

dont know what the noise is with out more discripttion but if you have spark and the plug is good it might be a bad injector or the intake gaskets may be leaking and leting the anti freeze leak in common for 3.1 is it hard to start and when you say stalled is that driving or parked or starting the car and it dies back out?

Mar 14, 2009 | 1998 Chevrolet Monte Carlo

2 Answers

I have no ignition spark on my 1983 Toyota supra

is the timing belt ok? there is also an igniter that controles the spark shoud be by the coil

Dec 11, 2008 | 1983 Toyota Celica Supra

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