Question about 2000 Dodge Stratus

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How to wake up the pcm ,won't crank, fuel pump is working.after i swap engines, 1st pcm crank and started for 2 to 6 sec than i bo ughkt in salvage same modle #4896578 & it did the same as the 1st now won't crank

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 2003 Caravan No Crank, 3.3L

This is a bad PCM. Try to disconnect the security system first and if it still does not start then it is the PCM.

Posted on Aug 11, 2008

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66 chrgr
  • 1011 Answers

SOURCE: engine will crank,but not start

i am glade to have helped please rate my answer so i can help provide other clients with good answers thanks
66chrgr

Posted on Mar 26, 2009

Molson02536
  • 3854 Answers

SOURCE: Won't run

There are to many things that can cause the no start. Here is a link that can help you understand the possible problems and links to how to retrieve the DTC codes which is activating your Auto Shutdown relay.
Good luck and hope this helps. Keep me posted http://www.allpar.com/fix/stall.html

Posted on May 26, 2009

  • 1201 Answers

SOURCE: i have a 97 dodge caravan 3.3 i have fuel

You have just about replaced everything that would cause a no start situation. Without being able to do any further testing, the only other thing that could cause that is the timing belt, check that, it could be worn, stretched out, and slipping. Good luck.

Posted on Aug 26, 2009

  • 36 Answers

SOURCE: engine cranks but won't start

Most possible is your cam or crank sensor. Check foro signal and sync between them. I would start with the crank sensor first

Posted on Oct 12, 2009

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1 Answer

When my fuel pump didn't turn on, my truck wouldn't start, if it did turn on it started right up. I replaced the fuel pump and it starts every time, but the fuel pump doesn't turn on every time. Is...


the fuel pump don't turn on every time . first when the pump as prime or if system is prime the pump will not turn on
the PCM give a ground to fuel pump relay for 2 sec and while the engine is cranking the pump is running all the time.
but pcm don't prime each time

Oct 10, 2013 | 1998 Chevrolet K1500

1 Answer

1999 Ford Explorer Sport Starting Issue


It sounds like the pump is failing. That or sometimes not getting electricity. To check which it is, you could use a voltmeter or test light at the gas tank's electrical plug in. You need to check for power on the fuel pump wire when the engine is being cranked for starting. Do this when turning the key to on does not cause the pump to turn on for 2 seconds as it should. The fuel pump has power for those 2 seconds when key is turned to on, and again has power when the engine is cranked. You might miss the two second signal, so check for power when car won't start-when pump won't turn on-and with the engine cranking. If you have a signal then and still no pump coming on, then you must have a failing pump.
But if you have NO power to fuel pump wire with engine cranking, then it is a problem elsewhere-probably the pump relay (try a new relay if you haven't already). That relay is signaled by the engine computer when key is turned to on or when engine cranks . so you could do some testing at the relay if needed.

Mar 04, 2017 | 1999 Ford Explorer

2 Answers

Replaced fuel tank and pump and now car won't start.


no engine stated.
details are based on that..
so is it still the old pump there,
this is very simple
using a volt meter. (the pump has 2 wires, measure across those)
back probe that connector to the pump. 2 pins.

12vdc cranked, if you have 12vdc cranked
but fuel pressure is 0 the pump is gone
no pump runs on 0v, or 6v, its 12vdc there,
i can not understand those fues tests
if the voltage fails to the pump it can be
the power wire or ground wire failing .
do all tests connected, or the readings will be useless.
connected is live testing, under full real conditions
and win. every time.
if ground is tested and rises to 12vdc cranked, ground is bad.
only Ohms laws here,a simple equation.

not sure why your float fails. my guess its bad.
and easy test using ohms, disconnected.
that is another problem.

ill look at your fuse, pretend V6 engine.

the service manual shows
f10 fuse is fuel pump
12vdc both side cranking is a GOOD FUSE.
note all words above.
F10 gets all power from pump relay,
so if you dont crank the relay can be off line
an F10 will be dead.
(the schematic is clear)

here is a facts on all cars, next (pure software in PCM )
  1. pump only runs 3 seconds key on, ,
  2. pump never runs, if not cranked.
  3. run cranked and all run if engine stays running.

see? and varies by year, engine, and even ECU upgrades
so a SAVVY mech always cranks to do tests.
that means its a 2 man job. sorry but that is a reality of working any car until you learn what yours does.
warning have a care here that changes rule 1 to 2, below 20F out door temps, (fun no?)

recap
crank and measure like this.
the pump has 2 wires, red hot, black ground
meter across, pins 1 to2, red back is 12vdc cranked
meter black tests lead (volts) to body perfect metal ground
and meter red lead to pin1 red shows, 12vdc cranked
12vdc means 10 to 12vdc cranked, (battery does that)
then move red test lead to pin 2, black
cranked, 0v, if see 1 volt or ore the ground called.B26 is bad.
if the pump has 12vdc on it, you hear it,
do not run it dry its fuel cooled and fuel lubricated or you wreck it.
if it is heard to run you then see fuel spec fuel pressures.
or its bad. (30psi?)



pump-f2pntdp44mjusq0choqk2alv-3-0.jpg


pump-f2pntdp44mjusq0choqk2alv-3-1.jpg

Mar 13, 2017 | 1998 Isuzu Trooper

2 Answers

My 1995 maxima won't start what is the pcm


FRONT PASSENGER SIDE BOTTOM KICK PANEL , REMOME

Aug 19, 2012 | 1995 Nissan Maxima

1 Answer

Hey guys, my caravan started this morning then shut off and won't start again. Heres what I did so far checked fuel pump fuse good, fuel pump relay good swapped with other. Removed neg battery cab


If you have voltage at the fuse and relay, and at the pump, but no fuel pressure, I would say the pump has died or the tank is empty.
Have you checked for voltage at the pump yet ?

Jul 24, 2012 | 2005 Dodge Grand Caravan

2 Answers

My grand cherokee won't start. at fist it would take 2 or 3 times to start up not it will crank all day but will not start up. I was thinking of changing the altenator and starter but now I'm...


SOUND LIKE PROBLEM IN IGNITION SYSTEM OR FUEL SYSTEM. MAKE SURE SPARK PLUGS AND WIRES OKAY.REPLACE DISTRIBUTOR CAP AND ROTOR,REPLACE FUEL FILTER AND AIR FILTER,DO A LITTLE TUNE UP FIRST TO MAKE SURE VECHICLE GETTING GOOD SPARK AND FUEL. IF NOT GETTING SPARK CHECK IGNITION FUSE.IF FUSE OKAY PROBLEM COULD BE IN ASD RELAY OR PCM.CHECK FOR FUEL IF YOU NOT GETTING FUEL CHECK FUEL PUMP FUSE AND RELAY.IF ALL IS GOOD FUEL PUMP COULD BE FAULTY OR PCM. I WOULD HAVE VECHICLE CODE SCAN FIRST TO SEE WHAT FAULT CODES YOU ARE GETTING. DONT GO BUY A LOT NEW PARTS CODE SCANNING WILL KEEP YOU SPENDING A LOT OF MONEY,CODE SCANNING WILL HELP SPEED UP PROCESS TO SEE WHAT CAUSING VECHICLE NOT TO CRANK.YOUR GASOLINE IN FUEL TANK COULD HAVE WATER IN IT PROBLEM COULD BE SOMETHING MINOR.

Oct 31, 2011 | 1993 Jeep Grand Cherokee

1 Answer

Does the roll over switch have to have power for the fuel pump to operate


Here's how it works:

1. you turn key to ON. PCM (engine computer) power relay acitvates PCM.

2. PCM then turns on fuel pump relay for 5 SECONDS. Then it shuts fuel pump off unless engine is running.

3. During starter crank mode, the pump runs all the time.

4. So power (12 volts) goes through to Inertia Switch, which is resettable, then to fuel pump.

If you said what make, model, year, I could send the wiring diagram.

PS. It's not a roll over switch. It's for being hit by another car. A steel ball insode hitsd a target and breaks the electrical circuit.

please rate help. thanks

Aug 24, 2011 | Mercury Cougar Cars & Trucks

2 Answers

Fuel Gauge quit a few months ago and today 2003 Tahoe cranks will not start no pump sound when you turn key on. Where is the fuse for the fuel pump?


{: ) Check out the PCM B fuse (20amp) and the fuel pump relay both located at the underhood fuseblock.
For dual tanks, additional check for the PCM 1 fuse (15amp) and fuel pump relay secondary at the underhood fuseblock bracket.
Check also maybe the vehicle is in theft mode. The engine may only crank but will not start because the fuel system was disabled.
Other possible causes could be the pump itself, or the contol signals from the PCM. Let's not forget the fuel, off course. I hope you get lucky.

Jul 08, 2011 | 2003 Chevrolet Tahoe

1 Answer

I have a 1998 ford wind star new fule pump but still not geting fule , wont crank engine turns ove but won;t start


INSTALL PRESSURE GUAGE THEN CK, VOLTAGE TO PUMP PCM TURNS ON PUMP RELAY FOR 2 SECONDS WHEN KEY CYCLED ON ,, IF NO POWER CK INERTIA SWITCH ( MAY BE TRIPPED ) IF NO POWER TO INERTIA SWITCH CK FUEL PUMP RELAY IF NO VOLTAGE AT PUMP RELAY THEN CHECK FOR SPARK AT PLUGS IF NO SPARK CK PCM POWER RELAY IT SUPPLIES VOLTAGE TO PCM THAT INTURN POWERS FUEL PUMP RELAY

HOPE THIS HELPS

Aug 08, 2010 | 1998 Ford Windstar

1 Answer

Has no spark


well the easy answer is 20A ign fuse under the hood

however, lets check a few other things
1.) when you are cranking the vehicle is the check engine light on? If it is then this means that the PCM is not seeing the CKP... start searching for a loose connection at the CKP
2.) next swap the PCM power relay with the fuel pump relay and see if you get spark...if the relay is bad your vehicle still will not start because the bad fuse is now the fuel pump relay


Mar 24, 2010 | 1996 Lincoln Mark VIII

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