Question about 1998 Mercury Grand Marquis

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When hot it will crank but will not start like it is not getting fuel.

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I would check for gas at the test port on the fuel rail. Also I'd check for spark at the plugs with a spark tester.

Posted on May 29, 2010

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Posted on Jan 02, 2017

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Cadillac 1997 sts take several cranks to start it


What's the fuel pressure first thing , before starting . Could be check valve inside fuel pump module ,fuel drain's or bleeds off over night , drains back into the fuel take .
Car cranks too long Fast fuel pressure bleed off Faulty regulator Part 2

May 19, 2018 | Cadillac Cars & Trucks

1 Answer

2001 Ford F250 diesel 7.3 c.i..hard starting,after warm up,shuts down,will not start up .could water in fuel cause it? Sensors?has 1 injecter miss.


I assume it will still spin over but just not start.
Do you get smoke at tailpipe while cranking it over?
If no smoke, then it means the injectors aren't firing.
Typically, there are three reasons why injectors won't fire.
  1. Low voltage while cranking (Check battery for proper voltage). Check all connections, especially at Starter. Starters get funky when hot and may not spin fast enough (See #3).
  2. Injector control pressure below 500 psi (HPOP oil)
  3. RPM not fast enough while cranking (CPS)
Water in the fuel would cause issues when cold and hot. Have you checked the fuel bowl and found water?

Since you mention an injector miss already, then I would start there and confirm items 1 through 3 above.
Wa

Jan 23, 2018 | Ford Cars & Trucks

1 Answer

2007 Toyota Tacoma v6. Hard to start about 1 hour after initial cold start, longer cranking. Problem?


Is the check engine light on? How long has it been since the engine was tuned up? A worn plug that is "hot soaked" can create a longer cranking time. Hot soaked means it may have some un-burned fuel in the cylinder since the first cold start. A weak or worn plug has a harder time getting this fuel burned out of the cylinder when more fuel is being added during a warm start.

Feb 23, 2015 | 2007 Toyota Tacoma Regular

1 Answer

Scion tc wont start when hot but cold it starts


if it cranks when hot, then I would say to look at the ignition components (coil, ign module, ignitor module, etc) first, then start looking to the fuel system (fuel pump, fuel rail, etc.)

if it won't crank, then it is likely the starter or solenoid

Jan 06, 2015 | 2005 Scion tC

1 Answer

Jeep will start and run then after you shut it off it will not start ?


NO start, but cranks ok ! (guessing i am on that cranking bit...)
no engine size stated, so cant be ACCURATE.
wont start hot. ok cold
so when hot it fails, and when hot that is when we try to fix it or diagnose it.. not cold.
so got spark on all unstated engine cylinders?
all must work not just one
ever get a full tuneup this decade or even ever?
when it dont start, did you read the oper guide.
and do the wide open throttle , cranking, and see IF the engine unfloods? (this is feature on all EFI cars).

all cars do this ignored, all do.
service it? ever?

if spark is good, try test fuel.
if test fuel works for 3seconds, or starts and runs hot, say so now?
if test fuel fails, check spark tips for soaking in fuel or bone dry.
if soaking, , its flooded,
if flooding it is, we work flooding
ask.how, (can be many reasons. more tests... )
like that....

i offer only one guess, on all cars, all cars ignored!!
eva get a tuneup?

Jul 03, 2014 | 1997 Jeep Grand Cherokee

1 Answer

I have a 2005 Nissan Hardbody 3.3l V6 4x4. In the morning, you start and drive for long hrs no issues. The problem starts after switching it off, and when its hot. It cuts off, you crank up until batt


Sounds like a "HOT SOAK" problem.
Starter gets hot,it lacks power to crank the engine.

Possible "Vapor lock".

Check for engine codes.Possible bad temp sensor for ECU.

If fuel delivery is suspect ,try starting fluid into intake when "no start" occurs to diagnose fuel problem.

May 19, 2014 | 2007 Nissan Hardbody 3000TD

1 Answer

98 Pontiac Grand Prix GT 3.8 won't after engine warms up


crank pos. sensor or maf sensor ck. the fuel press reg. also

Jun 06, 2012 | 1998 Pontiac Grand Prix

1 Answer

Shuts off when its hot and usually after fueling up.............acts like its not getting fuel....................usually after fueling up when car is hot............leave the car sitting for a couple...


I would replace the crank sensor and never pack fuel into your gas tank. First click when full stop pumping gas. Next time it does this pour or spray some water on the crank sensor and see if it will start, if so problem solved.

Apr 12, 2011 | 1997 Oldsmobile 88

1 Answer

I have a 97 ford taurus and I have replaced every possible sensor that you can think of as well as the alternator and the cam position sensor and the snythanizor,crank sensor, fuel pump and filter,...


'hard to crank', meaning it is hard to start, or it cranks slowly? If it cranks slowly, your starter is probably going south-if you mean it is still hard to get it started, it sounds like you did all the repairs on the ignition side but have not addressed the fuel side-check the fuel pump pressure at the rail on top of the engine, replace the fuel filter. If it is just hard to start when it is warm, you could have a leaking injector (s), or the fuel pump is losing pressure as it gets hot, or your fuel regulator is defective (you could tell this by doing a fuel pressure test).

Jan 25, 2011 | 1997 Ford Taurus

4 Answers

OK i have a 1999 gmc Yukon i just changed the fuel pump spark plugs ing coil control module wires but she still wont crank she starts then shuts off whats wrong HEPL ME PLZ


I suppose that you mean it starts but doesn't continue to run. And if you try to start it right away it'll just crank. The fuel pump is on in crank but not in run ( maybe ). Find the fuel pump relay in the underhood fuse relay panel and use a test light to cheak the pins for power and ground. First with the test light hooked to a good ground, check to see if it works first ( touch the battery positive ) then touch all the pins of the relay ( removed ) One should be hot all the time ( if not the fuel pump fuse is blown) another should be hot with the key on. one of the others will be hot only in crank ( this is the fuel pump) The last other is ground with the engine running after started. The one thats hot in crank put power to it with a jumper wire and start the engine ( it'll run ) the fuel pump also gets turned on by the oil pressure switch and the fuel pump fuse is blown it'll also not run the engine. But it'll run right after it's cranked and quit

Nov 14, 2009 | GMC Yukon Cars & Trucks

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