Question about BMW 318

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Pressurized trasmission fuel trank

Hi my BMW 46 318. Lighted chek. It is no longer strong. Obd 2 was observed. Fuel trank trasmission.: Help me what to do. Change the fuel filter, air filter. is still weak.

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  • Contributor
  • 47 Answers

Replace fuel pump.

Posted on Jan 30, 2014

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Posted on Jan 02, 2017

  • 81 Answers

SOURCE: cylinder 3 misfire

Make sure you're using the recommended spark plugs. When my car did that, I had put Bosch Platinum Plus-4 plugs in and got that same problem. Turns out the plugs are too hot and cause it to fire prematurely and kick the misfire code.

Posted on Jul 24, 2008

  • 1 Answer

SOURCE: I think Electric Problem

my 2004 jeep cherokee. heats up when i turn on AC

Posted on Oct 11, 2008

keithheavili
  • 410 Answers

SOURCE: i want to change the fuel filter on my 2001 bmw 740i

Under vehicle, driver side, below seating area, mounted on frame in fuel line.  Let me know if you have any other questions.  Thanks for rating my response and for using FixYa!

Posted on May 27, 2009

dennymulford
  • 1055 Answers

SOURCE: 1998 GMC Sierra- runs rough then stalls when

had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!

Posted on Jun 06, 2009

  • 1 Answer

SOURCE: my 2002 bmw 325xi fuel filter location?

It is on the drivers side on the chassis.

yes you can change it yourself. Make sure you de-pressurize the system before removing (undo the gas cap).

Also...order the filter from bavarian auto or one of the online stores. The one you need is with the pressure regulator.

If you go to autozone, etc. they will sell you the worng filter.

Posted on Jun 11, 2010

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1 Answer

Only started when fuel is added to the throttle body?


The good news is that it isn't compression or spark and the engine can run.

Borrow scanner and read OBD data. It may provide you the answer.without having to diagnose.

  • The first check is to see if the fuel pump is running?
    • You can usually hear it for 1 to 2 seconds when you first turn the key to the run position. It will have a little whine sound. No pump running on fuel pressure no start! You may need to have one person turn the key and the other(the one with the best hearing) lay near the drivers side rear wheel and listen.
  • The next check is to listen for the click of the fuel injectors.
    • Get the guy again with the best hearing and with the hood open take a rod between the top of a fuel injector and your ear and listen as the engine cranks. they will click once every other revolution. About once per second. No click no fuel no start.
  • Pump whine OK, injector click OK, need to check fuel pressure!!
    • Need to have a fuel pressure gauge connected to fuel rail and observe pressure. If the pressure regulator is bad or if the fuel filter is plugged or ice in fuel line or what ever no fuel pressure , yea no fuel no start.

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P0173 Code


BMW Unmetered Air Leaks P0170 P0173 Mixture Too Lean ...

? 6:41
www.youtube.com/watch?v=Eso0dgmymhYJan 2, 2013 - Uploaded by AskTheCarExperts BMW Unmetered Air Leaks P0170 P0173 Mixture Too Lean Smoke ... a lot thank you , damn boot was giving me so much problems and codes.

P0173 Fuel Trim Malfunction (Bank 2) - OBD Codes

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Detailed information on troubleshooting and repairing a P0173 DTC code which refers to a fuel trim malfunction on Bank 2. Also includes links to relevant forum ...

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1 Answer

BMW E46 318i Fuel consumption problem it is apparently using 1 mile of fuel every 100 meters. BMW E46 318i


Could be many things, but fuel pressure regulator, leaking injectors are most likely. DO NOT DRIVE UNTIL FIXED. If the fuel is really getting into the oil pan, oil will be diluted and could damage engine bearings.

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Have a BMW 2000 323I..replaced fuel pump ..Getting code P1250..any ideas ?


OBD code of: "P1250- PRC Solenoid Circuit Malfunction. Which malfunction of Fuel Pressure Regulator Control unit. PRC is located
by the fuel pump by the left side on the bottom rail under some plastic you will find it. PRC costs about $90.

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2000 Mercury Mountaineer with 4.0L,going down hi way quit running, tries to start but o only runs for 2 seconds,then dies again,replaced can sensor didn't do any good! Please help


You're going to have to run some diagnostics on it. Check for good spark, fuel delivery,etc. Can u hear the fuel pump? Sometimes they work but may not be strong. Check pressure with fuel pressure gauge. Fuel filter?

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1 Answer

Why is my 03 bmw 316i using an awful lot of fuel? There are also puffs of blue/black smoke?


Black exhaust smoke can be caused by one or more leaky fuel injectors, too much fuel pressure (sticking fuel pressure regulator), a faulty MAF sensor or Oxygen sensor, or a engine computer fault.. You need a diagnostic test ran on the vehicle. Plug a scan tool into the OBD diagnostic connector and look for any fuel or sensor related fault codes. Test the fuel pressure and the fuel pressure regulator to see if they are operating within specifications. If normal, the next step is to figure out which injector(s) are leaking. You can remove the spark plugs and look for ones that are carbon fouled. Also inspect the air filter

Jul 02, 2014 | 2004 BMW 316i

1 Answer

I get spark and fuel but engine wont start


You may have fuel but not enough pressure coming from fuel pump which is in the gas tank.

Jun 07, 2014 | 2007 Toyota RAV4

2 Answers

Where is fuel filter located?


its mounted to the under side of the car just off to the passenger side just above the rear suspension, its a little cylindrical steel can.

Jan 01, 2011 | 2000 Mercury Mystique

3 Answers

Emission control malfuction p0440


Easier said then done without professional tools

However, I'll start you will some theory, then the shop manual procedures followed by some "common" problems

Theory:
Evaporative leak detection strategy is based on applying vacuum to EVAP system and monitoring vacuum decay. Powertrain Control Module (PCM) monitors vacuum level by means of fuel tank vacuum sensor input. At a predetermined time, EVAP purge solenoid and EVAP vent solenoid are turned on. This allows engine vacuum to draw a small vacuum on entire EVAP system. Whenever a sufficient vacuum level cannot be achieved, a large leak or faulty EVAP purge solenoid is indicated.

Conditions for setting this DTC are as follows:
No TP sensor, ODM, IAT sensor, or MAP sensor DTCs present.
Start-up ECT 40-86°F (4-30°C).
Start-up ECT not greater than 14°F (8°C) greater than start-up IAT.
Start-up IAT not greater than 4°F (2°C) of start-up ECT.
Fuel tank level is 15-85 percent.
BARO is greater than 75 kPa.
Vehicle has been driven at least 11 miles.
EVAP system is unable to achieve or maintain vacuum during diagnostic test.

Diagnostic Procedures
1.) Perform On-Board Diagnostic (OBD) system check.
After performing OBD system check, go to next step.

2.) Check if DTC P1665 or P1676 is also set. If any of DTCs is present, diagnose affected DTCs. If DTCs are not present, go to next step.

3.) Turn ignition off. Remove fuel filler cap. Turn ignition on. Using scan tool, observe fuel tank pressure. If fuel tank pressure is zero in. H2O, go to next step. If fuel tank pressure in not zero in. H2O, diagnose evaporative system.

4.) Replace fuel filler cap. Using scan tool, capture FAILURE RECORD data for DTC P0440 and clear DTC. Command EVAP vent solenoid on. Connect EVAP Pressure/Purge Diagnostic Station (J-41413) to EVAP service port. Pressurize EVAP system using diagnostic station. Monitor pressure on EVAP pressure gauge on diagnostic station. If pressure is 5 in. H2O, go to next step. If pressure is not 5 in. H2O, go to step 6.

5.) Maintain EVAP pressure at 5 in. H2O. Observe fuel tank pressure on scan tool. If fuel tank pressure reading on scan tool is 5 in. H2O, go to step 8. If reading is not 5 in. H2O, go to next step.

6.) Disconnect fuel tank vapor line and EVAP purge line from EVAP canister. Block canister fitting for fuel tank pressure line. Connect a hand-held vacuum pump to canister fitting for EVAP purge line. Ensure that EVAP vent solenoid is still commanded on. Apply vacuum to EVAP canister. If vacuum can be maintained at 5 in. Hg, go to step 11. If vacuum cannot be maintained at 5 in. Hg, go to step 10.

7.) Check for restriction in fuel tank vapor line or EVAP purge line. Repair as necessary. After repairs, go to step 16. If restriction is not found, diagnose EVAP system.

8.) Disconnect vacuum source line at EVAP purge solenoid and plug vacuum source fitting on solenoid. Using scan tool's output tests function, select and activate SYSTEM PERF. Pressurize EVAP system to 5 in H2O. Observe EVAP pressure gauge on diagnostic station while removing plug from EVAP purge solenoid vacuum source fitting. If EVAP pressure decreases to zero in. H2O within 15 seconds while system performance is activated, go to next step. If EVAP pressure does not decrease to zero in. H2O within 15 seconds, go to step 13.

9.) Install vacuum gauge on EVAP diagnostic station to vacuum source line. Start and operate engine to greater than 2000 RPM. Observe source vacuum level. If vacuum level is greater than -15 in. Hg, If vacuum level is not greater than -15 in. Hg, go to step 14.

10.) Check for disconnected or damaged vent hose. Check for damaged EVAP canister. Repair as necessary. After repairs, go to step 16. If no problems are found, go to next step.

11.) Check for faulty or missing fuel filler cap. Check for disconnected or leaking fuel tank vapor line. Check for disconnected or damaged EVAP purge line. If problem is found, repair as necessary. After repairs, go to step 16. If no problems are found, go to next step.

12.) Using scan tool, command EVAP vent solenoid on. Continuously attempt to pressurize the EVAP system by leaving the EVAP diagnostic station control knob in the pressurized position. Using the Ultrasonic Leak Detector (J-41416), locate and repair leak in EVAP system. After repairs, go to step 16.

13.) Replace EVAP purge solenoid. After replacing solenoid, go to step 16.

14.) Check for carbon release into the EVAP system. Repair as necessary. After repairs, go to step 16.

15.) Replace EVAP vent solenoid. After replacing solenoid, go to next step.

15.) Turn ignition on. Using scan tool, command EVAP vent solenoid on. Using EVAP diagnostic station, pressurize EVAP system to 15 in. H2O. Move rotary switch in diagnostic station to HOLD and observe EVAP pressure gauge. If EVAP pressure decreases to less than 10 in. Hg within 2 minutes, repeat step 3. If EVAP pressure does not decrease, system is okay.

Diagnostic Aids
Check for the following:
Cracked or punctured EVAP canister.
Damaged or disconnected source vacuum line, EVAP purge line, vent hose, for fuel tank vapor line.
Poor connection at PCM.
Inspect harness connectors for backed-out terminals, improper mating, broken lock, damaged terminals, or poor wire connection.
Check for intermittent in circuit.
Check for kinked, pinched or plugged vacuum lines to EVAP purge or fuel tank vapor line. Also check for restrictions.
Faulty or damaged evaporative canister.

Apr 28, 2010 | 1999 Buick Century

1 Answer

How much fuel pressure does a 1997 bmw 540i require


why are you asking the fuel pressure. It doesn't make sense, because once the fuel pump are failing, the car will stop and won't start. Tell straight what do you observe about your car, engine shaking, not enough power, or what, or need to scan or diagnose your Bmer to solve your problem. ok

Dec 26, 2009 | 1994 BMW 5 Series

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