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Professional Automotive Repair Technical Discussions for January 21, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 1984 BMW 633CSi 3.2L Hesitation VIN: WBAEB840XE Customer originally called with complaint of low power. Car was finally towed in as a no start. After replacing reference sensors on bell housing the car started. We are now back to the original problem. When you accelerate there is occasionally a hesitation, ... |
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| 2004 BMW X5 3.0i 3.0L Stall VIN: 5UXFA135X4 Help BMW Techs! This x-5 will stall when placed in gear cold- it will also stall backing up or coming to a stop. This is VERY intermittent and we have only duplicated concern one time. When scanning vehicle with AUTOLOGIC the only codes we see are in the anti ... |
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| 2007 BMW 328i 3.0L vanos VIN: WBAVA33527 Hello All We are working on a 2007 BMW 328i the headgasket was leaking oil at mid block we removed the head and sent it to the machine shop.They did a complete valve job and milled it .005 due to slight warpage We have reinstalled the head using all new bolts ... |
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| 1993 Chevrolet Cavalier RS 2.2L No Start, Hesitation, Surge, Cuts out, Stall, Misfire Hello everyone I have a classic here this 1993 Chevy came to me towed in no start but it starts right up after it sits, I drove it a bunch and after some time I got it to die while driving and at first it would not start back up but then it did I went back to ... |
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| 1996 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GNDT13W6T On first start-up cold, engine has slightly rough idle, stumble on accelleration & lack of power for first 1-2 minutes, then clears up & runs fine the rest of the day unless it sets long enough to get fully cold ( temp here 20-30 deg. F @ night high 40's durin... |
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| 1997 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13R3V Here we go. we have this wonderful GM that has bank 2 miss fires at idle only, after vehicle warms up. When cold there are no miss fire counters registered, but once vehicle gets to operating temp bank 2 starts showing random miss fires, only bank 2(2,4,6,8)ba... Trouble codes: P0151 (O2 signal low bank 2 sensor 1), P0300 (Engine missfire detected) |
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| 1999 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14W8X i have a 1999 chevy silverado 4.3 v6 truck will start run a few seconds and then loses injector pulse and dies, if you restart it it will run great no problems it will do this every time if you wait 10-15 minutes in between trying to start it up. i have checke... Trouble codes: P1351 |
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| 2007 Chevrolet Impala LTZ 3.9L Cuts out, Stall VIN: 2G1WU58R87 since replacement vehicle acts as if its going to stall... then picks back up and keeps running...good acceleration holds a 65 mph speed...have replace cam sensor...no results no codes showing...ANY HELP PLEASE |
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| 2008 Chevrolet Equinox Sport 3.6L doors I have looked in mitchell and can't find any help I have looked for history repairs in this data base Also haved looked in my modus ultra nothing in data pids of fuctunal tests I have not had this kind of a problem before they work but only if you are right n... |
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| 2008 Chevrolet Impala LS 3.5L MIL Lamp on VIN: 2G1WB58K58 This car will set these three codes sometimes.May be several days before it will happen. It looks like i have a bad wire or module but am not able to get it to act up while testing it.is there anything common i should look for that i may be missing.checked wir... Trouble codes: B1370, U0100, U0101 |
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| 2003 Chrysler Town & Country 3.3L Mode door op Hey guys, this town & country was brought in, complaining that the mode door was stuck on vents. Would not vent to Windsheild or floor when commanded. Swamped actuators with blend door unit & recalibrated, no change. Actuator did work when swaped to blend door... |
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| 2004 Chrysler Town & Country 3.3L MIL Lamp on VIN: 2CYGP44R64 I have this van and the po135 code keeps coming up I have 5 ohms reading across the black wires on the o2 sensor am I missing something what should I check next thanks in advance Trouble codes: P0135 |
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| 2007 Chrysler 300 2.7L converter VIN: 2C3KA43R67 stupid chrysler! I put a used motor in this 300 after the head gasket popped. I installed the motor with no issues to speak of. The customer picked up the car and brought it back the next day saying that it has a bad shudder. The shudder appears only around 40... |
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| 1992 Dodge W250 5.9L Speedometer VIN: 3B7KM23C5N We have this vehicle here for no speedometer operation. We have no communications with the pcm. The MIL is also inop. We tested the power and grounds at the pcm and all test good. We can light the MIL from the pcm connector.The speedometer is not working. We t... |
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| 2000 Dodge Durango R/T 5.9L Cuts out, Stall VIN: 1B4HS28Z0Y Used engine was just installed. Swapped over original intake manifold, distributor, flex plate, and crankshaft position sensor. Engine will start but stalls at idle. Cleaned throttle body. Reset all adaptives. Holding rpm up will keep engine running. LTFT: 2... |
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| 2007 Dodge Sprinter 2500 3.0L MIL Lamp on VIN: WD0BE74547 Lite stays off for a while and will come on and stay on. We replaced Air intake sensor and tested wiring. Went away for a while and came back on. Any tips would be greatly appreciated. Trouble codes: 2672 (Air Temp Sensor Code intermitant) |
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| 1990 Ford Ranger S 2.9L Unknown VIN: 1FTCR10T1L Help Ford Techs! We replaced the clutch in this truck per customer request- he suspected he had a failing throw out bearing because you could hear a growl type noise with the clutch DEPRESSED. We found throw out bearing and clutch worn- replaced it- the noise ... |
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| 1994 Ford Bronco Eddie Bauer 5.8L No Start VIN: 1FMEU15HXR Help need to pull up something from the memory banks. This bronco won't start unless you pull the coil wire from the dist. cap and let the spark jump about an inch. It will then run unless you snap the wire back on the cap, then it dies till you pull the wire ... |
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| 1996 Ford Mustang SVT Cobra 4.6L Stall VIN: 1FALP47V6T Car shuts off after about 45 seconds. Turn key and the thing starts back up. We installed a pressure gauge on the fuel rail and witnessed the fuel pressure drop off just before the shut off. As soon as the engine stops the fuel pressure jumps back up. We are g... Trouble codes: P0412 (testing and results) |
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| 2004 Ford F-250 Super Duty Lariat 6.0L No Start VIN: 1FTNX21P74 Hello fellow techs, have this 6 uh-oh that won't start. Have no rpm signal. Has new IPR, Crankshaft sensor, and camshaft sensors. Wires are good from both sensors to PCM. What kind of voltage do we need at cam and crank sensors, Alldata is really sketchy on th... Trouble codes: P0646 (Turbo Boost), P0231 (Fuel Pump Secondary), P0677 (Glow Plug) |
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| 2004 Ford Explorer XLT 4.0L No Start VIN: 1FMZU63K34 Attn: FORD TECHNICIANS this car has me stumped. Car came in a few weeks ago for no start condition when outside temp is below 20 degrees. car had been to another shop and they had replaced fuel rail pressure sensor, coolant temp sensor, fuel regulator. I found... |
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| 2005 Ford F-150 FX4 5.4L engine vacuum VIN: 1FTPX14555 Hello Techs. I have had several Ford F-150's from 04-06 with the 5.4 three valve come in lately with the complaint of a whistle noise under light throttle when cruising at highway speeds. It sounds like a vacuum leak and is throttle sensative as to where the n... |
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| 2007 Ford Freestyle SEL 3.0L whole car VIN: 1FMDK02177 this car exhibits a high frequency vibration under very light acceleration from stops & at cruise speeds. im suspecting a motor mount issue but am not sure. we don't really see any excess movement in the mounts when power braking. if it is a mount i cant tell ... |
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| 2007 Ford Focus S 2.0L Air bag light on VIN: 1FAHP37N97 Guys we Normally do not work with air bag issues. Codes B2234 showed up. Looked at previous repairs and found clock spring to be a problem, changed clock spring and reset codes. Air bag light came on immediately with codes B1934 and B2234. Please help if you h... |
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| 2010 Ford E-250 4.6L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1FTNS2EW9A This Ford van has codes P2196 and P2198 indicating stuck rich. (Also had a pending code P0140 and evap codes P1450 and P144A) Van will sometimes lope at idle and occasionally stall. Van also sometimes has a long crank to start, but not very long, just noticeab... |
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| 1991 GMC K1500 Sierra SLE 5.0L Front brakes VIN: 2GTEK19H3M This is my truck that i have had for 10+ years. Recently the Rf brake has started locking up on it. After you drive it for about 15 minutes the it feels like the RF brake starts to apply and the RF wheel locks up. If you tap the brake pedal the it will release... |
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| 1999 Honda Accord EX 2.3L Shift Indicator VIN: 1HGCG6679X Harsh engagement into reverse, every time the shift indicator does not light up while going into reverse the trans engages hard. I can go into all gears if the light works it shifts into gear smooth. If the shift indicator light does not light up it hits hard.... |
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| 2006 Hummer H3 3.5L Transmission/Transfercase VIN: 5GTDN13696 Vehicle was towed in 2 weeks ago, customer stated stopped moving on highway. In lot felt transmission type issue (would not move in drive or reverse)was able to get vehicle into shop by putting into 4L, after engaged was able to put back into 4(H)and moved. ra... |
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| 2007 Hyundai Sonata SE 3.3L Extended Crank VIN: 5NPEU46F17 Vehicle originally came in for NO CRANK/NO START. Found no spark/noid. Went to scope CKP and connector fell apart in my hand. Replaced CKP and connector. Had good signal from CKP/CMP but had no known good waveform to compare it to. Tore engine down to check ca... Trouble codes: P0335 (Crank Sensor A Performance) |
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| 2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDR07Y31 Vehicle was brought to other shop for emissions p0301 and p1320. Replaced coil on cyl 1, no misfire, engine runs smooth, p1320 comes back immediately after clearing. Shop replaced both crank sensors. Alldata info stated that logic of code is when primary ignit... Trouble codes: P1320 |
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| 2000 Jeep Cherokee Sport 4.0L Head lights VIN: 1J4FF48S5Y Has any one seen this or have any ideas were else to look. Any ideas would be help full . Thank you |
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| 2005 Jeep Liberty Sport 3.7L No Start VIN: 1J4GL48K95 have ohmed wires and loaded them, cannot understand why this simple replacement is causing all these problems. could this have to be programed even though there is no module in this pdc. any help will be most welcome. driving me insane. |
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| 2008 Jeep Wrangler Unlimited Sahara 3.8L engine VIN: 1J8GA59138 I 'm posting this for a co-worker; his Girls Jeep is having an intermittent no start condition. When this occurs the vehicle remotes will not unlock the doors, when turning the key no instrument panel lights and no start. Once he was able to put the shifter in... |
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| 2008 Jeep Liberty Sport 3.7L Heater VIN: 1J8GN28K78 This jeep is killing me so any help would be greatly appriciated. Came in for no heat. We replaced the thermostat and all was good for about 2 weeks. Then the trouble begain. We noticed when we removed the heater core hoses there would be no flow out of the ho... |
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| 2011 Mazda CX-7 SV 2.5L Poor Idle Quality, MIL Lamp on VIN: JM3ER2AM5B vehicle has been to mazda dealer several times within 10k miles dealer has updated pcm replaced throttle body, check engine light has returned and same dtc and now made its way into our dealer, we are a ford dealer not mazda no factory level software or diag t... Trouble codes: P2101 |
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| 2000 Mercedes-Benz S500 Guard 5.0L Key FOB Does Not Turn VIN: WDBNG75J5Y My suspicion is that I have a faulty Key Fob but it could also be the EIS. Is there any way to scan the vehicle with Autologic without the need to have the key turned into the on position. Any suggestions are appreciated. |
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| 2007 Nissan Versa SL 1.8L Tire light on VIN: 3N1BC13E07 This car is my Girlfriends daughters car. She told me one day that the TPMS light just came on. The light is on steady. I was able to pull codes with my Snap-on Solus pro scanner. Codes were C1704,through C1707,which means tire pressure is zero PSI on all tire... |
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| 2009 Nissan Quest 3.5L MIL Lamp on VIN: 5N1BV28U39 Originally this Quest came in with a #P0507 Idle Control System Malfunction, Idle Higher Than Expected). We checked the idle speed and confirmed that it was approximately 150 - 200 rpms higher than it was supposed to be. No load warmed up idle. We inspected th... |
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| 1999 Saab 9-5 SE 3.0L Cooling Systems VIN: YS3EF48Z4X Vehicle keeps destroying coolant hoses. Upper radiator hose split head to tail like someone took a razor blade to it. Replaced. Lower radiator hose blew off twice till I replaced factory spring clamp with a band clamp. heater hose from head to coolant recircul... |
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| 2001 Subaru Outback Limited 2.5L pops out intake VIN: 4S3BH68621 This car has been eating my lunch for a while now, it came in for long crank no start at times, scoped the crank and cam sensors at computer and had good signals, replaced sensors anyway, at first vehicle starts fine after a while it cranks and pops out of int... Trouble codes: P0336 |
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| 1999 Toyota Tacoma DLX 3.4L Poor Fuel Economy VIN: 4TAWN72N7X Customer complaint of mileage decrease of 5mpg and lack of power. will drop from 75-60 on a steep incline @ wot. maf data at idle is 4gps and at 2500 no load 16gps my calc load wot is 80-85% fuel pressure is 50 psi. exhaust isn't clogged, fuel trims stay in sp... Trouble codes: P0120 |
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| 2004 Volvo S40 LSE 1.9L Evap emission pressure sensor VIN: YV1VS27574 Vehicle has no running complaint per the customer. Check engine light is on. I have been having a ton of trouble scanning the car. Have used several different scanner including Autel Maxidas, Launch x431 GDS, Auto Enginuity. From what I know Volvo s40 models a... |
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| 2008 Volvo S60 2.5T 2.5L Charge Light on VIN: YV1RS59278 Battery and charging light came on for customer. Vehicle was driven in charging and starting system tested good but lights remained on. Tried connecting to PCM and found little or no data. In the process of doing these test the charging and battery light went ... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2005 BMW 645Ci 4.4L Engine VIN: WBAEK73405 This is why every professional tech should subscribe to IATN,you guys were right on.The oil cooler block off o-ring was wasted.I removed the mount plate without dropping the subframe,but it probably took longer and was definitely more frustrating trying to get... |
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| 2007 BMW 530i 3.0L COOLANT System in General VIN: WBANE73597 Thank you guys for your help. After replacing the Head Gasket that caused oil in coolant, it was very important, easy, and fast to use BG flush Or any coolant flush to clean the cooling system specially on the type of cars. I must say 100% of the coolant in t... |
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| 2003 Chrysler Town & Country LX 3.8L heat VIN: 2C4GP44L53 customer took vehicle for a week, just got back and replaced heater core as stated by many techs. after blowing out 2x i did not think was issue, but upon replacing heat is now awesome . thank you to all who replied. |
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| 1999 Dodge Ram 3500 Van 5.9L No Start, Poor Idle Quality VIN: 2B7LB31Z9X Short version: New ECM fixed vehicle. Long version: Taking what Robert replied with manually running the coil through the scan tool (forgot about being able to do that) I applied that with interesting results. I first used my spark tester and I got irregular ... Trouble codes: P0443 (EVAP/Purge solenoid circuit open/short), P1687 (No MIC bus messages received). |
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| 2002 Dodge Ram 1500 Van 5.9L shifter VIN: 3D7HA18Z82 sorry guys but I have no info to share as my customer [another shop], picked up the truck to repair themselves,i am a trans. shop and once I checked the trans.,[everything there was good],i told them to clean and lube the linkage in the shift column.evidently ... |
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| 2005 Dodge Ram 1500 ST 4.7L abs light on VIN: 1D7HU18N15 We took it to the dealer. Had them use their factory scan tool to reset spec. all codes cleared and never came back. Thanks for your help. Trouble codes: 82 (Number of tone ring teeth ouot of range), 83 (Tire size), 84 (Mismatched vin). |
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| 2007 Dodge Ram 3500 ST 6.7L Starting VIN: 3D6WG46A87 Replaced the ecm after double checking all the power and grounds ignition switch voltage, 5volt ref and can bus signals to the ecm show 2.5 volts. clipped can wires and checked for signal from the ecm and found none. Replaced ecm flashed and prndl, communicati... |
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| 1994 Ford Ranger STX 2.3L No Start VIN: 1FTCR10A6R Hi Group, Sorry to close this request so late, first of all as I mentioned, this problem occur only when it is very cold outside and now we are hitting the -20 Celsius. The right time to confirm the fix. Some of you mentioned to check the basics first, yes i... |
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| 2001 Ford F-250 Super Duty Lariat 7.3L Hpop VIN: 1FTNX21F11 Well i am going to call this truck fixed. After closer examination, the orfice that I found in the front cover could only have came from the HPOP because of the size of the disc. I also did not find any cracks in the front cover, so I replaced the HPOP with ... |
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| 2006 Ford Fusion SEL 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3FAFP08186 Clifford nailed it. This one gave us such a fit because we refused to believe we didn't get the timing correct. After scoping the CKP and both CMP sensors at the same time was I able to determine the mechanical time was off. The CMP sensors did not superimpo... Trouble codes: P0340 (Cmp sensor a circuit). |
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| 2007 Honda Accord EX 3.0L Hesitation, Misfire VIN: 1HGCM66577 IM CALLING THIS FIXED. EVEN THOUGH WE ALL KNOW I JUST HID THE PROBLEM. PROBLEM WAS IN FACT A TRANSMISSON/TORQUE CONVERTER SHUDDER. DR TRANNY IS A GOOD TEMP FIX. I USUALLY USE IT IN FORDS BUT THIS IS THE FIRST IVE HAD TO USE IT IN A HONDA. THANKS TO ALL THE INP... |
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| 2001 Mercedes-Benz CL600 5.8L left bank ignition VIN: WDBPJ78J01 special thanks to Terry,Dallas, and rest of you guys for putting me on right track. Missing power signal to bank 2 ignition coil.Tested ignition module on top of intake and sure enough have 12v koeo terminal 12 for bank 1 coil pack, terminal 13 is power signa... |
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| 2010 Mini Cooper Clubman 1.6L Brake Light VIN: WMWML3C58A Hi guys. Sorry it took a while to close. I was able to view the data for the wheel speed sensors and they appeared to be working. However, I was unable to clear the code. It would reset immediately. My boss decided to send it to the dealer rather than spen... |
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| 1995 Nissan Pickup XE 2.4L Mechanical VIN: 1N6SD11S2S Truck is fixed and back in customers hands! All replies were good but only a few hit it right on. The final fix was to bleed the proportioning valve at the rear of the truck above rear axle. I thought that all the fluid running through it would have flushed... |
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| 2006 Pontiac Montana SV6 3.5L cluster VIN: 1GMDV23L76 We had the cluster repaired yet one more time. It looks like when they gave us a totally different cluster it was just a used cluster so no repairs were ever made or reconditioning done. I know GM clusters are known for gauges going out, this particular cluste... |
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| 2008 Saab 9-3 2.0T 2.0L Misfire VIN: YS3FB46Y28 Thank you for the helpful information. Indeed I used the wrong tool. I ordered the tool listed for the 210hp turbo but found out that the tool changed with the 2007 model year. 2007 through 2009 take a unique tool and it is silver. A shout out to Ben at automo... Trouble codes: P0300 (Random Misfire). |
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| 1992 Toyota Celica GT 2.2L Poor Idle Quality, Stall VIN: JT2ST87F4N Thank you to everyone who replied. I truly appreciate those who took the time to respond. Thank you! The root cause was carbon build up on the back side of the intake valves absorbing fuel when the car was hot. I had scoped the inside of the cylinders and ins... |
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| 2006 Toyota Avalon XLS 3.5L C/V axle VIN: 4T1BK36B76 Took a while to get this car back to work on but this Toyota is fixed. It did end up needing two axles from the Toyota dealer. |
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| 2012 Toyota Sienna SE 3.5L MIL Lamp on VIN: 5TDXK3DC1C New wheel hub fixed this one, don't understand how 2 New hubs were defective from toyota. I know this setup uses 48 magnets facing N to S, im assuming from it being dropped possibly cracked one or more of the magnets. Thanks for your help Trouble codes: C1415. |
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| 1997 Volkswagen Jetta GL 2.0L Stall VIN: 3VWWB81HXV thank everybody installed cr sensor and coil so far so good Trouble codes: P0300, P0304, P0303. |
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| 1988 Volvo 244 DL 2.3L No Start VIN: YV1AX8856J Tested resistance of ect and found in spec at 3.7k for temp of 50 deg F.,applied resistance of 300 ohms and node light intensity decreased and engine started and ran lean. Caused short between two wires to ect and engine restarted each time and ran lean, cause... |
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