Question about 1994 Toyota Supra

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My car will start but will not run, unless i hold the troddle wide open.

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Mass air flow sensor

Posted on Oct 24, 2008


If it is a turbo model then try the TPS module

Posted on Jul 27, 2008

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  • 18 Answers

Naturally asperated or Forced Induction? aka No Turbo or Turbo?

Posted on Jul 21, 2008

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Posted on Jan 02, 2017

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1 Answer

I have a 1200w 2 stroke generator. The brand is Power Star...I nee d to ajust the troddl

no idea what a" troddl" is to help you
take it to a service agent for the repair as he might know what it is

Aug 26, 2017 | Cars & Trucks

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Stihl MS 170 chainsaw will not start

remove the plug, hold the throttle wide open and pull about 10 times
replace the plug and hold the throttle wide open, pull to start
the stihl floods very easy and will not start until the excess in the crankcase is removed

Jan 19, 2017 | Cars & Trucks

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Had a p305 on my 2005 buick rendezvous engine light is on changed the coil pack. it still hard to start unless i mashed the gas. it stalls at the light

Starting Mode
With the ignition switch in the ON position, before engaging the starter, the PCM energizes the fuel pump relay for 2 seconds allowing the fuel pump to build up pressure. The PCM first tests speed density, then switches to the mass air flow (MAF) sensor. The PCM also uses the engine coolant temperature (ECT), the throttle position (TP), and the manifold absolute pressure (MAP) sensors to determine the proper air/fuel ratio for starting. The PCM controls the amount of fuel delivered in the starting mode by changing the pulse width of the injectors. This is done by pulsing the injectors for very short times.
Clear Flood Mode
If the engine floods, clear the engine by pressing the accelerator pedal down to the floor and then crank the engine. When the throttle position (TP) sensor is at wide open throttle (WOT), the PCM reduces the injector pulse width in order to increase the air to fuel ratio. The PCM holds this injector rate as long as the throttle stays wide open and the engine speed is below a predetermined RPM. If the throttle is not held wide open, the PCM returns to the starting mode .
You could have a dirty or bad mass air flow sensor .
You could have

Mar 25, 2016 | Buick Rendezvous Cars & Trucks

1 Answer

How do you put a gmc jimmy s15 2.5 1987 troddle body in after it's took out i need to know were the o rings go and the filters

Looking down at the tbi there are 2 screws holding the injectors in place, remove them then remove injector ,a oring goes around each injector

Dec 02, 2014 | GMC Cars & Trucks

1 Answer

Can not get my 1991 gmc to start hot or cold unless foot right to the floor. Why

you said everything is changed out ( i assume this includes the computer or at least the hypertech chip upgrade ) if a chip upgrade was done you will find that one of the pins has been bent over and is not making connection, repair this chip, then try again .

May 27, 2014 | 1991 GMC Sierra

1 Answer

Car only starts when hold wide open then runs ruff any one knows whats up 02 grand am 2.2

IAT intake air temp and the coolant temp sensor both regulate the fuel mixture and if either is bad it will not run smooth and will require holding the gas to get it to start.

Oct 06, 2012 | 2002 Pontiac Grand Am

1 Answer

I have a 1986 gts corrolla that will not run unless air flow meter is held open

Now if your old fuel pump was loosing pressure it tends to lean out Overheating your catalytic converter and melting it so exhaust gasses can't flow To test this is easy just remove the two bolts holding it on the engine pipe Start the engine if runs fine replace cat converter

Sep 15, 2012 | 1986 Toyota Corolla 2 Door

1 Answer

Truck blowing black smoke and stalling i suspect icv what say u

black smoke = running way to rich (unless it a diesel)

if you tell me year make and model could help u more

if carburetor car carburetor may need adjusted or rebuilt

if it TBI could be leaking pressure regulator leaking injectors injectors stuck wide open

if TPI could be bad o rings on injectors injectors stuck wide open

Dec 22, 2010 | Ford Ranger Cars & Trucks

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1985 280se wont start unless you have throttle wide open

does it have old fuel how long has it sat and does it have good fuel pressure check filter

Aug 18, 2009 | 1990 Mercedes-Benz E-Class

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