Question about 1992 Toyota Celica

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Car starts good but has rough idle and dies in a few seconds.

Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} I have a 91 Pontiac turbo model. 3.1L It turns over and starts great. Most of the time it dies almost immediately but if I hold the gas pedal down just a bit and just right it will rough idle for a min. Here is what I have replaced. Fuel pump, fuel pickup filter, fuel filter, spark plugs, wires, two vacuum lines, one bad coil pack (tested open on secondary), and the ignition module, Currently it is now fuel fouling the spark plugs. And I am still having the same start and die issue. If you could help let me know.
Thanks
Richard
Speedsk8razor97@hotmail.com

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Check all your vacuum hoses for secure connection.

Posted on Mar 02, 2013

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Sound like intake leak. get a scanner to see if egr valve not staying open . check map sensor + make sure the vacuum line didnt come off it . check coolant sensor. oxygen sensor .check fuel pressure regulator. check vacuum line that goes to fuel pressur e regulator . make sure there is no gas in it. make sure its getting vacuum. check pvc valve.shake it make sure it rattle .

Posted on Mar 24, 2009

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1 Answer

Car won't start


why ignore the CEL??????
you cross over the spark wires. lost firing order.
its not PVC but is due.
sure, lost spark, lost spark time, crossed wire.
if spark is good try test fuel
clean the EGR, if it sticks open car will never idle fast.
and will stall.
clean the ISC do the ECU can in fact now control idle.

you are are on track, most here are not.
you did a tune up, that is good , and is first.
bad fuel, car parked for year, dead?
now the 1 question, (after it runs)
can your happy right off save the stall
only this counts..... 1st....

check firing order now that wires are scrambled.
then check for spark on all 4 cyl spark wire ends.
then if spark is good,
and compression, good, 150 not 80psi
you do know this is and inteference engine right? and if not
fresh timing belt the engine will grenade. for sure.
dont listen to dorks telling you, mine didnt, they are idiots.
if you like Russian roulette ? and $3000 new motors are joy?
then skip the belt.

that finishes off a 60k turn up, spark , filters and da belt.
then spark timing.
then fueling.

all the fuel in the world is useless on a dead motor or dead spark'.

fueling is last.
if motor and spark are good, then yes, fueling
try test fuel (spary)
if that works for duration of spray
then check fuel pressure
that be next.
and more... ask

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