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Prev Professional Automotive Repair Technical Discussions for February 24, 2014
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2001 BMW 320i 2.2L cooling VIN: WBAAZ27201
this is a 2001 318i sedan,has dual fuel system fitted,have current code 279c am using das708 scanner,code says DME output stage thermostate map cooling,cannot find p code for this no,can a bmw tech tell me what this is thanks,
2006 BMW 330i 3.0L power window VIN: WBAVB33516
Hello everyone. I have a bmw here that I am doing my best to diagnose with what I have. The customer complaint is that the rear passenger side window doesn't function properly all the time. I have the vehicle in the shop and have verified complaint. So my theo...
2007 Cadillac SRX 3.6L key VIN: 1GYEE63717
car was towed in. customer said after battery being dead . he chargede battery and now key won't come out. no codes anywhere. only thing i see is none of the tires are reading pressure.. battery was only reading 12 volts. put new battery in no change. is there...
2000 Chevrolet Malibu 3.1L Poor Idle Quality, Cuts out, Stall VIN: 1G1ND52J3Y
came in for a crank no start. replaced fuel pump and would start and run for a couple of minutes. Then you had to keep it floored at idle to keep it running but would die. The fuel gauge would drop from 3/4 tank to empty when it would act up. Tried disconnecti... Trouble codes: P0141, P1189, P1626, U1064
2006 Chevrolet Express 2500 4.8L high idle VIN: 1GCGG25V26
head scratcher here guys any help appreciated. My customer states that the idle goes really high on start up to point where he has to shut it of then restart truck. also states that the truck will idle high while driving like someone is accelerating it for him...
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly.... Trouble codes: P0300
2010 Chevrolet Avalanche LTZ 5.3L No Start, Cuts out, Stall, MIL Lamp on VIN: 3GNVKGE00A
Vehicle loses communication randomly, gauges sweep, all lights come one, stabili trac message, service 4wd, trans goes into default, If I can scan vehicle while its acting up I get random communication codes as stated above, when vehicle is towed back to shop ... Trouble codes: U7300, P0700 (P069e-), P069E, U0101 (u0102-), U0102 (O0109- U0121 etc etc), 00109
1999 Ford Mustang 3.8L MIL Lamp on VIN: 1FAFP4043X
Vehicle came in with check engine light for P0411. Check relay, okay, check air injection bypass solenoid okay, Vehicle idling, ground eair monitor wire and air pump and air bypass solenoid working, 02 sensors are seeing lean during Bypass operation, but accor... Trouble codes: P0411 (Secondary air injection)
2002 Ford Explorer XLT 4.0L Timing Chain VIN: 1FMZU73E12
This explorer came in with a very loud noise in the engine we have it down to the timing chain. We were checking oil pressure and the gage on the dash shows pressure at a little over half way on the gage and another gage put into the oil passage on the top of ...
2005 Ford Explorer XLT 4.0L cylinder head VIN: 1FMZU63K85
Thanks for any help anyone can give. We have been scratching out heads on this one. After re-assembling engine after head job, I retimed engine with the correct tools. I have verified the timing several times but when the engine is rotated clockwise, I have va...
2011 Ford Escape XLT 2.5L No Start VIN: 1FMCU0D71B
Good afternoon,Escape towed in cranks no start.No fuel pressure,check inertia switch good.Raise vehicle and inspect fuel pump control module,found burnt power supply wire.Install new harness to pump control module,new fuel pump and new module all oe parts.Cran...
2007 GMC Envoy SLE 4.2L Poor Idle Quality VIN: 1GKDT13S77
sit overnite and start up in morning cold start up idles rough and code comes back after clearing.runs great scanner is showing a possible o2 sensor primary the heated one but need voltage values cold and warm.flashig cat,air eva and o2 sensor the... Trouble codes: P1400
2002 Honda Civic Si 2.0L Overcharging VIN: SHHEP33512
We have this Civic SI that came in for a complaint of the EPS (Electronic Power Steering) indicator coming on. After spending some time, found that the vehicle is intermittently overcharging, only when driving (not in the shop), and this is when the EPS light ...
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
Over a period of a few days the ecm will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run qu... Trouble codes: P0300 (Random misfire), P0301 (1 misfire), P0302 (2 misfire), P0304 (4 misfire)
2008 Jeep Wrangler Unlimited Sahara 3.8L Misfire, MIL Lamp on VIN: 1J4GA59108
Veh. came to our shop misfiring only when you first crank it up in the morning or after it sits for 5 or 6 hours. Checked ignition system all checked good, went as far as replaced plug, wire and coil with known good part for testing. Found injector had a sligh... Trouble codes: P0302 (Misfire number 2 cylinder)
2003 Mazda 6 i 2.3L transmission VIN: 1YVFP80C93
hello fellow techs this car is stumping me. The vehicle sets a p0753 immediately ...seeing it is a constant monitor. the code is for transmission shift solenoid A. This car had 2 used transmissions installed and a TCM module at a different shop for this same c...
2002 Mercedes-Benz C230 Kompressor 2.3L No Start VIN: WDBRN47J12
Vehicle was towed in. Customer was driving and reduced engine oil level came on, then a few minutes later the engine became rough and check engine light, esp and bas lights came on. Would not accelerate and then engine shut off and would not restart. I verifie...
2007 Pontiac G6 GT 3.9L oil pan or rear crank seal VIN: 1G2ZH35197
The rear of the oil pan or rear crankshaft seal is leaking oil. I removed the plastic cover, brake cleaned residue, road tested Can't pinpoint leak. You are looking at area up inside a 3/4" wide slot, and the edge of the pan is very close to the seal area. A m...
2006 Saab 9-3 Aero 2.8L Oil Pressure Warning VIN: YS3FH41U76
Customer came in with the complaint of the oil pressure warning light coming on at times. We could not duplicate the problem in the shop. Installed an oil pressure gauge and could not see any problem with the oil pressure readings. Sent the customer out with t...
2007 Saturn Vue 3.5L Steering Column VIN: 5GZCZ53467
Thank you in advance, this car is strange. Car came in with a clunking noise when turning steering wheel coming out of customers driveway, and hard to keep car straight on highway. The right strut mount was binding, replaced struts and mounts and aligned, that...
2000 Toyota Corolla VE 1.8L MIL Lamp on, P0171, New MAF VIN: 1NXBR12E2Y
Fuel trims initially high, idle and cruise over 30% combined, with hesitation and power loss. Good fuel pressure, no intake metered air leaks, and no vacuum leaks detected with propane or smoke. Calculated Load at WOT snaps in bay and VE tests at max RPM on th... Trouble codes: P0171
2003 Toyota Highlander 3.0L No Start, Poor Idle Quality, Misfire VIN: JTEGF21A13
Im pulling what little hair i have left out. This Highlander came in on a hook with a no start. It had no injector pulse and no fuel pressure but it had spark. I noticed that the key was a aftermarket key. I told the customer to bring me all the keys to the ve... Trouble codes: P0351 (Ign primary 1), P0352 (Ign primary 2), P0353 (Ign primary 3), P0354 (Ign primary 4), P0355 (Ignprimary 5), P0356 (Ign primary 6)
1993 Volvo 240 2.3L engine performance VIN: YV1AS8807P
ran fine for about a month or 2 then started having issues. servicing for engine when in shop was: head gasket(was leaking), cap, rotor, plugs, throttle cleaning, flame trap cleaning, new crank sensor, timing belt and front engine seals, air filter, check valv...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 BMW X5 4.8is 4.8L air suspension VIN: 5UXFA93575
Not sure if this truck is fixed permanently or not but here is what I did. Replaced LF height sensor because the deviation reading seemed different than the other 3. Turns out it was reading correctly. Right now they are all 10mm or less. Before calibration th...
2003 Buick Rendezvous CX 3.4L temp gauge VIN: 3G5DA03E53
ok this one is fixed, went to scrapyard, got a pcm for 30 bucks, got it programed for the vehicle and everything is working just fine. thanks for all the help everybody.
1997 Chevrolet S10 2.2L Mechanical VIN: 1GCCS1445V
The timing chain and tensioner was replace before, but the oil plug hole was plugged, no oil getting to chain. tensioner broke which aloud the chain to jump 3 teeth. Thank you everyone for your help
2002 Chevrolet Impala LS 3.8L Low Beams VIN: 2G1WH55K32
Thanks for all the advice and tips on this issue. The wire was corroded between the right headlamp and underneath the battery. The T Wire from the front of the Headlight where there are 4 wires that goes back to the main wire. There was about 8 inches of the...
2007 Chevrolet Tahoe LTZ 5.3L Front Rotors VIN: 1GNFK13027
2012 Chevrolet Cruze LS 1.8L MIL Lamp on VIN: 1G1PC5SHXC
As always I want to thank everyone for there input. The reason the vehicle did not return for warranty work was because the damaged to the oil pan and oil loss was what lead to the issue . At the root of the problem was damage to the cam phaser. The phaser ... Trouble codes: P0017 (Ckp to exhaust cmp correlation).
1998 Dodge Grand Caravan ES 3.3L Body Control; VIN: 1B4GP54G4W
we got matching pcm and body control. and now it starts and runs ok.thank you guy for all your help. we must have burned out one by changing the other.
2000 Ford Expedition XLT 5.4L battery VIN: 1FMPU16L7Y
Thanks to all of you for the help. It was indeed the GEM module that was causing the problem, even though the self test showed no problems, no codes. We don't have the weather out here, (I noticed all were from eastern states) and I had never experienced ...
2001 Ford F-450 Super Duty Lariat 7.3L No Start VIN: 1FDXW46F11
Morning all, first I would like to thank the many quick and very helpfull responses that were on the mark. It is fixed !!! everybody was on target regarding the injection oil pressure, turns out it was the high pressure oil pump that was failing causing the ...
2003 Ford Expedition Eddie Bauer 5.4L Dome lights VIN: 1FMFU18L23
Well, I spent WAY more time than I could bill for on this one. After checking the fuse box several times and finding no water, pulling the instrument cluster (which is where the GEM is located on this model) and finding everything fine. I decided to take a lo...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Turbo Vgt Eratic VIN: 1FTNW21P74
First of all, thank you for all of your replies!! After cringing by the cost of the part, we finally bit the bullet to replace the TURBO ACTUATOR OEM# [...] . After this component was replaced, the issue was resolved. This repair was tough because there ...
2004 Ford Ranger Edge 4.0L Hesitation, Misfire VIN: 1FTZR45E64
Finally fixed this truck. Got into it today and was getting ready to back probe the circuit into the computer and I checked what Derrick had said that the wiring harness Rubbed on the firewall. Sure enough upon a visual inspection I found that the harness ha... Trouble codes: P0353, P0352.
2006 Ford Focus ZX4 2.0L No Start VIN: 1FAFP34N26
the vehicle is fixed,apparently the two relays cured the voltage loss at the pump.what i need to do in future is to watch supply voltage and amperage into fuel pumps.i have been focused on amp wave with amp clamp and forgetting to make sure voltage is Trouble codes: P0191, P1235.
2007 Ford F-150 XLT 4.2L MIL Lamp on VIN: 1FTRF12217
ecm turned out to b problem. wiring just doesn't match per alldata. thanx all. Trouble codes: P0102, P00, 113 (iat circuit high).
2013 Ford Explorer 2.0L Hesitation, MIL Lamp on VIN: 1FM5K7B92D
Thanks to the 5 techs that replied to my request! I too thought that the pressure is too low, but in back of my mind I was thinking it could also be the fuel rail sensor. Is the sensor that reliable or do you start replacing the fuel pump first? There is still... Trouble codes: P0087.
2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, Fuel Rattle VIN: 1GTHK23245
Sorry for the delay on closing this repair. Shortly after posting I had a family emergeny out of town. It turned out someone put something in his fuel tank never did figure out what it was, but removed entire fuel system and flush and replaced all injectors an... Trouble codes: P0304 (Misfire number four cylinder), P0101 (MAF Sensor).
2000 Honda Civic DX 1.6L fuel filler neck VIN: 2HGEJ6614Y
Vent Shut Valve(not the same as vent valve on canister) on top of the tank was faulty, this valve would give the Vapor Reciculation Valve a false symptom of the vehicle being over filled, this causes the vent shut valve to close. When the tank approached full ...
2007 Jaguar X-Type 3.0L Unknown VIN: SAJWA51A67
I will call this a fix because I am confident that we have arrived at the correct conclusion. Thanks Stephen [...] for the description of the symptoms and identifying the source of the concern for us. Here is his response: "Sound like an old-time Highway Patr...
1995 Jeep Cherokee Sport 4.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy VIN: 1J4FJ68SXS
Thank you everyone for the help. I was unable to sort this one out in time. I did find a loose ground on the passenger side of the engine where several wires meet. This did not fix it. There were many new parts on the vehicle. I checked the ignition with a sco...
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
Ok...we got it !! Steve from British Columbia and Micheal from Utah...thank you. As Steve suggested, I put engine on #1 compression, and sure enough, the bolt went through the crankshaft pulley and right into the timing cover. Micheal suggested i scope the ... Trouble codes: P0300.
1997 Mercedes-Benz E320 3.2L stuck on limp mode VIN: WDBJF55F0V
Hello everyone: Thanks for all replies. I have not fixed this vehicle yet. I ordered a dipstick from amazon, @ $21.00 , and worked well. As the info sent to me advised, 7 quarts was the correct fill , @ 80 C. However after all this the transmission does not s...
1991 Nissan Pathfinder SE 3.0L No Start, Stall VIN: JN8HD17Y2M
Well i still dislike cars that do this to me. but exactly as Tom and Chris said. with much help from tom who described the location of the link with detail. i removed the links from the positive battery terminal. and all had good continuity, but when i used a ...
2005 Nissan 350Z Track 3.5L Airbag VIN: JN1AZ34E95
Installed new driver's side airbag inside of seat and car is fixed. Nissan factory repair manual gives no method of checking the airbag as there is no specification given. It basically says that if there is a code and the wiring is not damaged then the airba...
1998 Saab 900 S 2.3L No Start VIN: YS3DD58B0W
I,m going to call this a fix.The customer has been driveing it for a few days and it hasn't set a fault code.We replaced the ECT and thermostat.The ECT still reads -40 koeo even after cleaning grounds on manifold.I think this is normal.The customer supplied a ... Trouble codes: P0133 (Front 02 slow response).
2001 Toyota Echo 1.5L Surge, Misfire VIN: JTDAT12361
Thanks for everybody's input on this. I did scope and test the coolant sensor , but it was inconclusive. I took a chance, since it's the most important sensor during start-up. Took care of the surging. The idle motor was removed prior and clean and check out o...
2006 Volkswagen Jetta TDI 1.9L Unknown VIN: 3VWST71K26
Thanks for the help. I replace the fuel filter and all is well.
2006 Volkswagen Jetta GLI 2.0L Lighting VIN: 3VWWJ71K46
It seems every one was correct on this one. The inside lights are flash to pass only. They will only work with the light switch off and pulling back on combo switch.Strange setup by VW they are of no help at all because the hid light also work when using the f...
1990 Volvo 740 GL 2.3L overdrive VIN: YY1FA8855L
first , thank you for filling up my e mail box overnite , like every body said , it was the relay located under radio , it is a the right side and is white .opened it up , and resoldered one pin .now the arrow comes and go with switch .thanks again .
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