Question about 2001 Buick Regal

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Hardstart hot cold ok

Engine dies hard to restart

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Don't want to start after it sets about 30 min.,if it does start it will run rough and then die.let it set and get cold it will start.What is the the trouble?

Posted on Jan 21, 2013

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Posted on Jan 02, 2017

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My audi a4 has hardstart and rich mixture what could be the problem


www.youtube.com/watch?v=yFSCVgjeV7o 2008 Audi A4 2 0 High Pressure Fuel Pump Failure try to check if there is no fuel leaking from the vacuum pipe

Jun 30, 2015 | Audi A4 Cars & Trucks

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Restating 2000 odyssey after warmed up


not sure what that means.
lets start over.
your saying car runs great, cold then hot.
then hard to restart a hot engine, right?
the light thing i dont understand
first off, when you stall and engine or just key ON.
the lamps all self test (read the operators guide there)
this is only a lamp test.
odd, the most important is skipped the CEL, check engine light.
is the engine stalling?
hot restarts, fails are: many.
  1. injector leaking at shut down.
  2. ECT reads to cold when hot. can be below caused
  3. Engine thermostat stuck open and restarts are over rich and floods. that hot engine must be at 180F or more,
  4. never did a 60,000 mile tuneup this decade?
  5. Fuel pressure too high.
i do tune ups first.
then check coolant temperatures, hot. 180F min, and holding or i kick the thermostat to the curb (new stat time)
if it sill dont want to hot start
out comes the scan tool
i scan it, got DTC errors.
is ECT reading 180F ? or above?

that is start on diagnosis.

Feb 25, 2014 | 2000 Honda Odyssey

1 Answer

Engine cold can not start


runs hot,ok, restarts hot ok
just dont start , cold, but it must because how do you get to 2hours?
from hot?
my guess, is it sometimes does start cold.
ever tune it up at the critical 60k mile service, ever, this decade?
that covers 99% bad cold starts. so , we do that first.
diagnosis is like 10x a tune up, so........ $$$$$

Feb 02, 2014 | 1994 Toyota Corolla

1 Answer

Motor shuts off when started up,shuts off when driving.


hot engine or cold, or both? 180F+ is hot.
Shuts off, idling or on the fly, say at 30mph right foot down it dies?
just clue here...
engine stalls. is complex. but in the macro its below, using tools finds the reason,, but you never said did it restart easy./??????
1: lost of engine compression hot engine, (or overheated)
2: lost 12vdc electric power at stall (caused it) dash goes dead. ?
3: lost spark, test spark at the failure point. if dead trouble shoot speak.
4 bad fueling, too lean (say the fuel pump dies) or too rich.
too rich causes wet spark plug tips. (lots of causes )
5: stalls due to idle RPM too low, below 800 is too low.
too low idle rpm is caused by many things, but top 2 are.
A: EGR stuck wide open, clean it, as the books shows at 60k miles
B: ISC stuck closed. (same deal clean it)

now repost and say when it stalled,
at a read light or flying up a hill wot, wot= wide open throttle.
and when it dies, is the restart easy or hard.

Dec 05, 2013 | 1997 Jeep Grand Cherokee

1 Answer

Engine dies


It's not your battery. It might be your IAC valve (intake air control valve) or an EGR valve, maybe even a vacuum leak. The battery is fine. Your fuel filter is most likely fine. When the fuel filter plugs, the car will usualy idle ok but will lose power during acceleration.

Jul 16, 2012 | 2001 Cadillac DeVille

1 Answer

Jeep liberty 2002 3.7when starting cold starts-stalls unitl hot


Check the temperature sensor feeding the ECU and O2 sensor.

Apr 12, 2010 | 2002 Jeep Liberty

1 Answer

1993 izuzu bighorn hard to start then dies like no petrol, when it does start blows black smoke like running rich ?


check injectors for leakage when engine off-will have to install fuel press gauge run engine and check press ,turn off engine and whatch gauge -see how long it takes for press to drop,will cause hardstart hot engine-but should start better cold

Sep 19, 2009 | 1993 Isuzu Trooper

1 Answer

RUNS GOOD STALLS AT DIFFERENT TIMES; ae. STALLS HOT OR COLD


when you removed the water pump, did you disturb the timing in anyway ???

Jun 21, 2009 | 1992 Oldsmobile Cutlass Ciera

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2001 Explorer 4.0 engine stalls


probly o2 sensor, cus when cold the computer does not take into account what the o2 sensor is relaying, but when it is hot it does, try unplugging it when hot and see how it runs, it will run rich but should run ok, if it does its the o2 sensor

Jan 28, 2009 | Nissan Frontier Cars & Trucks

1 Answer

1994 park avenue


Check you Mas Air Flow sensor or MAP sensor.

Oct 19, 2008 | 1994 Buick Park Avenue

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