Question about Ford F-150

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Someone please help i have a 1997 f-150 4.6 liter engine i replaced the crank sensor and the pcm the pcm is flashed and calobrated so it should be starting the scanner is not able to read any problems plus the truck is not giving any codes it keeps turning over but was no fire on the coil packs i need answers if anyone knows

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  • Ford Master
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HAve you checked fuses? Pull them out and look at them. If good replace them. This procedure takes care of corrosion problems also. With the key on you should have one wire with battery voltage. B+. (sending a diagram) The other wires are grounded out by the ECM. per the crank sensor. The ECM grounds out two cylinders at a time, one on the compression stroke(fire) the other on the exhaust stroke of another cylinder. You having NO codes would be abnormal. Since you have no start conditions. I'm sending you a diagram, and pin outs for the ECM and the crank sensor, and the coils.


Posted on Nov 18, 2014

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How to install crankshaft position senser 2005 Suzuki forenza


the 2.0 liter in USA? twin cam 2 liter.? post what it is and win.....
there are over 5 engines used world wide.
we have answered this like 10 times here... ever search first?

the CKP sensor.
is covered in the FSM book as is the diagnostic table.
why no scan the PCM first to see if its bad, it reports it !!!
the book is 4 bucks, why not just read the official book.?
https://suzukipitstopplus.com/Products/1064-2005-forenza-reno-service-manual.aspx

it can only be in 3 places... on all engines. if fitted.
front of crank near pulley.
mid crank
or near or at flywheel , even behind it impossible to get to.

so, ill post the photo again.
crank sensor (names to get hits, for next search)
The CKP sensor
crank position sensor. (CPS is old name)
crank timing sensor.
The crank sensor...
usa car, 2.0L only
there are 7 steps... to get it out.
im not posting them, all.
but, if you read the FSM book above, it tells you the A/C compressor must be removed. and it's UNDER THERE.
why not post symptoms and not guess this part is bad.
ever think to do that? did you scan the PCM first?


25788465-idjgvckayrablrd1efetwzs3-5-0.jpg
usa answers for 2.0L twin cam head.
is the cam belt on the cam fresh and new or 100k miles old.?
never ignore the belt. or bad happens.

Jul 18, 2015 | Suzuki Cars & Trucks

1 Answer

I have no spark on my 1999 chrysler sebring convertable


You will need at least a 12 volt test light to check the cam and crankshaft sensors. If either one is bad, the auto shut down relay will not ground the PCM. Remove the 4 pin electrical connector from the coil. one of the terminals is a 5 volt feed. Connect the light to that terminal and clip the other to ground. Turn the key to the on position. the light should flash once. If it does not flash the problem is in the ASD relay or its circuit. If it flashes once, try to start the engine. (don't worry, it can't start.) See if the light flashes during cranking or not. If not, return the key to off and then disconnect the crank sensor wire connector and try again. If it flashes as you crank the engine now, then the crank sensor is bad. If it does not flash during cranking then the cam sensor is probably bad. They are both easy to access and replace. The PCM could also be bad, but the cam/crank sensors are a more common problem. A repair manual is a cheap investment and could be helpful. Good luck.

Feb 28, 2015 | 1999 Chrysler Sebring LXi

1 Answer

I have a 2004 Jeep grand cherokee 6.0 4WD and a code P0320 came on what is that. My car will turn on then after a while if will turn OFF please help ......


p0320 is-- ignition/dist, engine speed input curcuit malfunction. Check the two hoses on either side of the engine that go to the intake. Any kinks or cracks will give crank error. I beleive you have a bad crank sensor. not sending signal to pcm. crank sensor symtoms-- No RPM Signal to PCM . also check wires to crank sensor.

May 13, 2011 | Jeep Grand Cherokee Cars & Trucks

2 Answers

My check engine light came on and my was bogging and chugging at 2500 to 3000 RPM and now it would not start unless I left the key turned and cranked for 5-10 seconds. Error codes are P0522 Oil Pressure...


There is a new PCM flash for this condition, the Technical service bulletin reference # is 18-026-03. The update will need to be done by a dealer. I would recommend this before replacing any parts.

Jan 21, 2011 | 2003 Chrysler PT Cruiser

2 Answers

1996 jeep grand cherokee limited. engine is shutting off/stalling out while driving/idleing. there are no check engine or check gauges light appearing. coolant sensor is now being displayed sometimes as...


You should have someone sing a dual trace lab scope, look at the Crank Angle Sensor (CKP) and Cam Angle Sensor (CMP) signals to check quality and sync.

Loose timing chains or broken flex plates can change the sync signal to the Powertrain Control Module (PCM) and cause a stall situation. Also you should have someone load test the battery and check the cables for corrosion. If the battery drops excessively during startup, the idle motor stepper count can be lost, Powertrain Control Module (PCM) will relearn it while driving.

Clean the throttle blades and adjust minimum idle.

With the air cleaner assembly off, hold the throttle wide open and look down the throttle with a flash light. Look at the lower intake plenum gasket for leaks, oil will build up around the edges and in the corners.

Perform distributor sync adjustment. I hope this helps. tried my best.....

Nov 05, 2009 | 1994 Jeep Grand Cherokee

1 Answer

Trouble Code 3255


Hi,

Thanks for using Fixya!

1. Cycle the ignition key ON-OFF-ON-OFF-ON within 5 seconds. To cycle the ignition key ON means to turn it only as far as it takes to get the radio to come on. It does not mean to turn the engine on.

2. Count the number of times the "check engine" lamp on the instrument panel flashes on and off. The number of flashes represents the code. There is a slight pause between the flashes representing the first and second digits of the code. Longer pauses separate individual codes. For example, flash-flash-flash [pause] flash-flash represents the code 32.

A code of "55" represents end of error codes. If this is all you get then no error codes are stored in the computer. This is the normal condition for a neon.
CODE Description of Trouble Code
11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking
12 Direct battery input to PCM was disconnected within the last 50 key-on cycles
13 No change in MAP from start to run
14 MAP sensor voltage too low
15 No vehicle speed sensor signal
17 Closed loop temp not reached or engine cold too long
21 02s sensor problem (oxygen sensor), upstream or down stream
22 Engine coolant temp sensor out of range
23 Intake air temp sensor out of range
24 Throttle Position sensor out of range
25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found
27 Injector control circuit
31 Evap purge flow monitor failure or evap solenoid circuit
32 EGR system failure
33 A/C clutch relay circuit
34 Speed control Solenoid circuits
35 Rad Fan control relay circuit
37 Torque converter clutch solenoid CKT or park/neutral switch failure
41 Generator field not switching properly
42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles
43 Multiple/ single cylinder misfire
44 Battery temp sensor volts out of range
46 Charging system voltage too low
51 Fuel system lean
52 Fuel system rich
53 Internal control failure
54 No Cam signal at PCM
55 End of error messages (If you get this only, no errors were found)
62 PCM failure SRI mile not stored
63 PCM Failure EEPROM write denied
64 Catalytic Converter Efficiency Failure
65 Power steering switch failure

So in your case, you are getting error 3255 right? so you are getting error 32 EGR system failure and 55 which is no other error found.

I hope you get this sorted out.
Have a great day sir.
- HotRatchet

Jul 27, 2009 | 2005 Dodge Dakota

1 Answer

2000 grand jeep cherokee dies while slowing down


Its not unusual for the crankshaft sensor to intermittanly fail. The crank sensors are not real expensive and are not extremely hard to change.
The Crankshaft Position Sensor (CKP) is mounted into the engine block above the starter motor. Engine speed and crankshaft position are provided through the crankshaft position sensor. The sensor generates pulses that are the input sent to the powertrain control module (PCM). The PCM interprets the sensor input to determine the crankshaft position. The PCM then uses this position, along with other inputs, to determine injector sequence and ignition timing. The sensor is a Hall effect device combined with an internal magnet. It is also sensitive to steel within a certain distance from it.
Below is a pic of the sensor location.
Good luck.
Regards,

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Jul 23, 2009 | 2000 Jeep Grand Cherokee

1 Answer

2001 jeep grand cherokee no start, no cam signal or ASD control from pcm


IF YOU PULL OUT CAM SENSOR YOU HAVE TO PUT A TOOTH PICK IN THE TWO HOLES ON THE TOP AND THEN PUT IT BACK IN AND FACE IT TO THE BACK OF THE ENGINE.KING OF 4.0

May 09, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Codes 12 and 42 showing on check engine light flashes


the new PCM need reporgram and the dealer can help u with this

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