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Prev Professional Automotive Repair Technical Discussions for May 23, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2003 BMW 745Li 4.4L inop fan VIN: WBAGN63433
Hi, all! 2003 beemer flagship with inop cooling fan- 3 wires, first wire big power .1v drop with 5 amp load, second big ground .2 v drop 5a load.--- third (small wire #4) control circuit to dme. This wire shows 12.9 volts plugged in backprobing, with fan comm... Trouble codes: 279D
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1998 Chevrolet C2500 Cheyenne 5.0L transmission VIN: 1GCFC24M6W
this transmission shifts perfect the first 20 minutes of driving.then loses 1st gear and overdrive.let sit for five minutes and shifts gears again.no slippage at all.when warm and takes off in 2nd and shifts it hits hard from 2nd to 3rd
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2004 Chevrolet Express 2500 LS 6.0L oil gage VIN: 1GCGG25U54
thank you in advance for any help you can give.van came in for a smog ,it failed do to check eng. lamp on.evap large leak.found purge valve letting air bypass.anyways while driving on dyno i got up to over 50mph and the oil pressure gage dropped to 0psi,no rat...
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2005 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC12F55
Help... This little Cavalier has been towed in now for the 3rd time and our customer is notttttt happy. Vehicle came in as a no start on the hook. It had no fuel pressure. Would run on propane induced to the intake. Standard issue bad pump, right? Well, we re...
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2006 Chevrolet Equinox LT 3.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 2CND173F36
Have this Equinox with P0171 and P0300 in shop. Spark is good, fuel pressure is good, fuel injectors are good. Smoke tested, PCV hose was leaking heavily. Both PCV hoses were replaced, and I no longer see any leaks. Codes set at 203 degrees F, 850 rpm, -100% f... Trouble codes: P0171, P0300 (Multiple cylinder misfire)
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2014 Chevrolet Cruze LTZ 1.4L Ign. VIN: 1G1PE5SB2E
Ok looking for info cause this is still under mfg. Warr. It's one of my sons car ,what happins is the radio will start cutting out, then all systems go dead but then come back stg, gets hard. Then we shut it off and could not remove key. And would not re-start...
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2002 Dodge Durango SLT 4.7L Misfire VIN: 1B4HR48N92
Hello fellow techs, We need some help on a 2002 Dodge Durango with a 4.7 engine. We installed a re-manufactured engine and ever since it will set a P0301 cylinder #1 misfire randomly. Never feel a misfire. We have swapped ignition coils, fuel injectors, spar...
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2005 Dodge Neon SXT 2.0L No Start, MIL Lamp on VIN: 1B3ES56C55
Vehicle came in with complaint of no start when hot. he had it scanned and told me the code was unavailable but he thought it started with a "U". He then cleared the codes and drove it. The symptom reappeared and turned the check engine light on again, this ti... Trouble codes: U110C
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2007 Dodge Charger R/T 5.7L turn signals VIN: 2B3KK53H37
customer brought car in for ac comp clutch burned up.replaced compressor and recharged,works fine. when he picked up car he came right back with no left rear or right front signal. said the were working before,as he had followed his wife to bring car to us.i l...
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1990 Ford F-250 Custom 5.0L Excessive Emissions VIN: 2FTEF26N5L
I have never posted on here before, so here goes. I have this 1990 ford f-250 that runs ok but failed emissions. traced problem down to ecm, it would not go into closed loop even at cruise. I replaced it with a reman unit and it runs the same, way too rich. I ... Trouble codes: 22 (Map sensor or circuit)
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1998 Ford Windstar GL 3.8L no comm VIN: 2FMDA5144W
When it's damp out this van loses communication @ the PCM but if you try and start it a couple of times it will communicate and start. I have disconnected a bunch of sensors but no change. Had some U codes in the ABS, U1009,U 1027, U1608. I even disconnected t...
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2004 Ford Expedition XLT 5.4L no start VIN: 1FMPU16L64
customer believes vehicle was hit by lightning in a parking lot. left mirror glass was burned off, vehicle did not start for customer after 3 inches of rain fell in one day. had towed in. key on, all dash lights illuminate. odometer shows dashes instead of num...
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1999 Jeep Cherokee Limited 4.0L evaporator VIN: 1J4FF78S9X
Complaint of AC not cold, especially while driving. Recovered system of about 1.1 lbs. Recharged to spec. at 1.25 lbs. First, replaced both high and low side pressure switches, no change. Second, replaced dryer and orfice line, no change. third, replaced compr...
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1999 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1244X
Originally found that the MAF sensor was contaminated due to a K/N filter. Cleaned it and reset the adaptive memory. Got the grams per second to improve from 3.2 to 5.0. Codes returned after 2 drive cycles. Find that the fuel trims are both within 4% and both ... Trouble codes: P1174 (P 1171 and P 1174. Lean fuel system Bank 1 2.), P1171 (P 1171 and P 1174. Lean fuel system Bank 1 2.)
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2006 Lexus GS300 3.0L No Start VIN: JTHBH96S56
Well, this "beauty" was brought to us by another shop, they said it would start and die, and replaced the ECM but didn't even reprogram it (it seems they have very limited knowledge about reprogramming, like, none)and still same thing. So, now is our turn, bu...
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2004 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33404
Has P2097 Post CAT 02 rich, clearing code moves it to Pending, after 2 key cycles code returns. 02 sensors have been replaced, adaptations have been reset manually through instrument cluster, adaptations would not reset with scan tool. Code returns even withou... Trouble codes: P2097 (Post Cat 02 rich)
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1998 Toyota Camry CE 3.0L MIL Lamp on VIN: 4T1BF22K9W
When car came in for cat/front pipe assembly replacement(flex section rotted),i thought it was kind of strangr for the check engine light to not be on with a major exhaust leak like it had.anyway,replaced pipe and all three gaskets as requested.customer drove ... Trouble codes: P0171
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2007 Toyota FJ Cruiser 4.0L No Start, MIL Lamp on VIN: JTEBU11F37
Vehicle was driven home by owner and parked. Next morning, cranks but will not run. Owners neighbor checked it out and still not running. They called me next day. Checked for rodent damage...none found. Battery, 10.9vdc cranking. 1/4 tank of fuel. Checked a... Trouble codes: P0300 (Random Miss Fire.)
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1998 Volkswagen Jetta GL 2.0L Starting VIN: 3VWRB81H4W
First, Thank You to those who took time to look at this help request. The starter was replaced about two weeks ago,(No Crank) but power at starter. Customer picked up vehicle a week later. Next day receive a call stating vehicle just died. I have no power at t...
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2005 Volkswagen Beetle GLS 2.0L Radio VIN: 3VWCM31Y35
I replaced the battery, which was a much more complicated job than I would have anticipated... These cars are fairly miserable to work on, but fortunately I don't see many. Anyway, the radio now displays "Safe 1000" and it needs to be coded before it will wor...
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2007 Volkswagen Rabbit 2.5 2.5L Noise VIN: WVWAR71K17
Good afternoon VW techs, got a good one here. Vehicle is making a loud rattling noise (similar to loose sway bar end link) when decelerating, sounds like drivers side front. Loudest between 1500-2800RPM. I've checked all the suspension, everything's tight, spr...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Chevrolet Cobalt LS 2.2L fuel pump engine cooling fan VIN: 1G1AK55F46
thanks for the help. I knew this was involved in the recall. customer got rental car from GM and is going to have the car towed to the dealer. for a new ignition when parts arrive. thanks again.
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2007 Chevrolet Silverado 1500 LT 4.8L battery drain VIN: 1GCEK14C07
Thanks to everyone that took the time to reply, IATN is the best! Special thanks to Kent & Dan who gave an excellent way to test any electrical draw. Turns out on this one Edmund was correct, the instrument cluster was the problem. It's been a week now and the...
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2007 Chevrolet Suburban 1500 LTZ 5.3L digital display VIN: 1GNFK16377
Hello: Gigantor the Suburban is out of the shop! Six of the eight replies nailed the cluster/dash as the offender for no display. Tim mentioned possibility of soldering the high current connections above the ODO display, didn't go there although we did take a ...
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2004 Chrysler Crossfire 3.2L MIL Lamp on VIN: 1C3AN69L24
The customer bought his own aftermarket mass air flow sensor. I believe as others have suggested , that this is his problem. He is not wanting to spend the money for the right part at this time. Trouble codes: P0325, P0102 (Knock Sensor), P0221 (Throttle Body).
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1999 Dodge Caravan Sport 3.3L Heater Control Module VIN: 2B4GP45G3X
The customer has elected to not repair this problem right now. The original problem was the rear wiper not working and he`s ok with that for now. I am sure the calibration procedure was followed completely and the replacement module did have the exact same par...
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2004 Dodge Ram 2500 SLT 5.9L Stall VIN: 3D7KU28C54
We inspected all the ground and battery cable connections yet again, no issues found. What we found causing the running issue was a faulty fuel pressure sensor. Sensor was always reading low pressure, actual pressure was going really high causing driveability ... Trouble codes: P2509 (ECM/PCM Power Supply Intermittent), P0532 (AC Pressure Sensor Low), P0192 (Fuel Pressure Sensor Circuit), P2121 (APP Sensor Circuit Range/Performance).
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2007 Dodge Ram 3500 ST 6.7L MIL Lamp on VIN: 3D7MX38A07
I will close this because of help request time. Customer can't make it back for a while. I think I will replace the rear oxygen sensor because the sensor is still under Chrysler warranty. If that doesn't work I will try a oxygen sensor module as suggested by o... Trouble codes: P2A01.
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1999 Ford Windstar LX 3.8L Engine VIN: 2FMZA5145X
Thanks all. This one is out the door. It was just the balancer. I had never seen one on this motor slip. But got a used one as one member suggested (made a point to say not to use a aftermarket one). Thanks again there is a first time for everything.
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2007 Ford Freestar SE 3.9L Engine VIN: 2FMZA51617
OK guys i apprieciate all the help but it turned out to be just 2 spark plugs were swapped after the head job. It was giving the same symptoms as before so i never checked the basics. thankyou for all the help. I feel like a dummy but we've all done it befor...
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2008 Ford F-350 Super Duty XL 5.4L No Start VIN: 1FDSF30548
This is going to be a double edge sword repair. Yes the truck is fixed, BUT, It did not need an ECM. The reason the other shop was wanting to replace the ECM was the alternator was not charging. So I suggested they let me put the correct regulator in the alter...
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2003 GMC Sierra 1500 HD SLE 6.0L wont shift transfer case VIN: 1GTGK13U13
Thanks to the four guys who replied with their ideas, the final fix was to indeed replace the modual, I'm thinking the locked up shift fork in the T case smoked the encoder moter which in turn destroyed the modual, a note in the replacement modual box informs ...
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2006 Honda Civic Hybrid 1.3L Poor Idle Quality, Hesitation, Surge, Misfire VIN: JHMFA36256
Thanks for all the help. The car came back today with P0302, p0303, p0300 and p0a7f and I thought that would help, the customer even bought 3 coild to put in. So I did the diag on the p0a7f first and determined the Battery Module needs to be replaced. Discusse...
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2004 Infiniti G35 3.5L driver door window VIN: JNKCV54E84
sorry to say but customer declined the work on the car, took it for the weekend and never returned. again thou i will state that the problem was that the customer would turn off the car, pull the keys, get out of the car with window rolled up, and as he closed...
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2000 Mazda B3000 Troy Lee 3.0L No Start VIN: 4F4YR16V7Y
just as I thought pcm no good replaced pcm truck is bac on the road. Trouble codes: P0320.
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1996 Oldsmobile Aurora 4.0L Stall VIN: 1G3GR62C9T
As always thanks for the replies. This was a learning experience. Doug you are correct the trans input sensor will not cause a stall. I did check the connector which was full of oil, cleaned out the oil and the sensor signal returned for a short time. While it... Trouble codes: P0717 (No/Low Input/ Turbine Speed Sensor Signal), P1645 (Boost EVAP or Torque Covertor Clutch Enable Circuit).
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2008 Volvo V70 3.2 3.2L power steering pump VIN: YV1BW98238
A water pump and water pump coupler fixed this car. personal thanks to Bruce who sent me a picture of the parts breakdown and also part numbers. The water pump was the failed part on this v70... it started to lock up and in doing so it tore up the coupler that...
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