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Prev Professional Automotive Repair Technical Discussions for February 6, 2012
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2003 Audi A4 1.8L cooling VIN: WAULC68E03
hi guys got this audi in overheated while driving pressure test cooling system found elbow on back of cyl head leaking replaced with new oem and thermostat housing reached in felt w/p had plastic impeller but did not feel any broken fins bleed system with airl...
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1998 BMW 318i 1.9L Plastic Housing at rear of engine VIN: WBACC0329W
BMW techs, we have two questions (we are NOT BMW specialists) FIRST - There is a plastic coolant housing and at least one hose at the REAR of the engine, that are split and leaking. I have the wiring harness moved out of the way at least enough to see the hous...
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1993 Chevrolet Beretta 3.1L No Start VIN: 1G1LU13T8P
This one has me head scratching, It runs fine on cold start up- It will die when it wants to sometimes but more importantly, when you go to re-start it warm, it acts like the plug wires are around the wrong way, timing is out of wack, and it backfires...I scop...
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2004 Chevrolet Cavalier 2.2L No Start, Poor Idle Quality VIN: 1G1JC52F04
I am attemping to get this cavalier to idle when it is cold . When the engine is cold the iac counts are 0 and you must be the iac. At this time the car runs extreamly rich (black smoke ) After about 5 min the car will begin to take over idle control the iac c... Trouble codes: P0506, P0507
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2005 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19B55
Greetings to all this truck sets codes for cam signal low scoped sensor signal had 500mv signal checked for b+ at sensor had 12 volts checked ground no problems found aftermarket sensor in truck.installed oe sensor drove for forty miles no problem customer com... Trouble codes: P0342
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2001 Chrysler PT Cruiser 2.4L air bag
Chrysler Techs and DRBIII artisans. We replaced the air bag/SRS module of this PT Cruiser and we have a "not configured" message and the air bag light is on. I have a DRBIII and have configured over 100 PCM's TCM's BCM's & ABS modules with SRI, pinion factors,...
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2005 Chrysler Town & Country (Van) Touring 3.8L acutuators VIN: 2C4GP54L35
I got this van from a local shop that was also at the dealer that could not find this problem. This van has manual three zone. I'm getting an active code "recirc overcurrent". Can't clear this code at all. If I run the van for a while several times on and off...
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2005 Dodge Magnum SXT 3.5L oxygen sensor VIN: 2D8FV48V35
I have tested this circuit (DVOM) for voltage to the heater circuit (br/gy wire)on right rear oxygen sensor. Reference (br) seems fine, ground for heater (bk/lb) is fine, o2 return (db/dg) seems fine. The wiring schematic I have shows the heater voltage coming...
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2007 Dodge Ram 1500 Truck SLT 4.7L Misfire, MIL Lamp on VIN: 1D7HA18N27
Hi dodge techs i got this truck with a p0302 misfire that was set on, while cranking.at 292rpms from freeze frame data. Does not misfire while running runs fine. Also when leaving engine to cool down cranks over longer than normal around 5 seconds or more then... Trouble codes: P0302 (Cylinder 2 misfire)
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2002 Ford Excursion Limited 6.8L Mechanical VIN: 1FMNU43S12
Hello, This Excursion has a violent shudder when applying the brakes. We replaced the front pads and rotors at 116000 miles. Assumed it was the rear brakes. Replaced rear pads and rotors-same condition. Measured run out on all rotors-ok. Check driveshaft slide...
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2002 Ford Escape XLT 3.0L Hesitation VIN: 1FMYU04142
Vehicle originally was brought for a cel light, cyl.#5 misfire, did tune up, swapped coil and boot to #6 placement just incase of coil failure easy to change. Cel light is off, slight hesitation, cleaned iac and throttle plate, idle still speratic for hesitati...
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2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
eng has a miss for sure #3, changed coils #3 with #1 still has miss.Fuel pressure in range.Cleaned injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go... Trouble codes: P0172 (rich bank 1), P0174 (lean bank 2), P0300 (random miss fire), P0303 (miss fire 3), P0316 (misfire on start)
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2006 Ford Fusion SE 2.3L Air Bag light VIN: 3FAHP07Z96
Purchased this car at auction with airbag light on, driver's air bag blown, driver's seat belt all way pulled out. Could not find out why bag was blown, no collision damage. Installed used driver's airbag, used driver's seat belt, new driver's seat belt prete...
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1989 Honda Accord LXi 2.0L vibration VIN: JHMCA564XK
The car came in for vibration. It vibrates in the steering wheel very bad, and the rest of the car vibrates. Before all the work we did to it the vibration was worse. Wanted to see if there is any one out there who have fix this problem. Seems to be a very com...
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1998 Honda CR-V EX 2.0L Excessive Emissions, Poor Fuel Economy VIN: JHLRD1866W
The car came in from another shop after they put a MAP sensor on and it didnt fix the problem. They put the old one back on. I retested and found the sensor was bad and replaced with a OEM. The MAP voltage's were ok then but still wouldnt idle. Removed the idl... Trouble codes: P1129 (Map voltage to high)
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2005 Hyundai Santa Fe GLS 2.7L No Start VIN: KM8SC73D25
good morning all, this is a first for me. this is 05 santa fe 2.7, costumer stated that when they feel the gas tank full the engine cranks but does not start, and after will diesel for several minutes. i haven't been able to duplicate. has any one seen or hear...
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1995 Jeep Wrangler Rio Grande 2.5L Mechanical VIN: 1J4FY19P8S
I have just replaced the slave cylinder as it was leaking, book shows it's a self bleed system and slave does not appear to have a bleeder...We filled the slave up with fluid and purged all the air out of it and then let the fluid run from master cylinder hose...
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1999 Jeep Grand Cherokee Laredo 4.7L Instrument Cluster VIN: 1J4GW58N5X
Hi to all WE have this 99 jeep grand Cherokee with electrical problem Instrument cluster will quit working intermittently so will windows, door locks and other accessories controlled by BCM.WE replaced BCM twice as the instrument cluster, after first BCM vehic...
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2004 Lincoln LS 3.0L idle VIN: 1LNHM86S34
Need some help with this one car came in with hard shift scanned and found no codes but did notice that engine wont idle up in park but put it in drive and revs up fine. Im thinking its maybe going into limp mode has anyone run into this before. Thanks for any...
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2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
This van Just won't seem to go away Came in with a P0403 EGR Control Circuit. Checked wiring including a volt drop test. Replaced the EGR valve with a Mazda valve as a last resort to fix the van after many test drives and no code I shipped the van The passages... Trouble codes: P0493 (EGR Control Circuit)
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1995 Mercedes-Benz S500 5.0L motor VIN: WDBGA70E65
after installing the motor it was hard to start but once it did it would smoke. Was hoping that it would clear up but it didn't. Even the gas pedal would not respond. Since the only way to get the codes from the car is to push a button under the hood for two t...
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2000 Mercury Cougar 2.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1ZWFT61L6Y
Did not have this code untill new pump was installed for crank no start concern. Pressure sensor has 5 volts and good ground. reading 1.50 volts at idle. seems to idle poor with surges. sometimes lacks power intermittantly. Trouble codes: P0190 (Fuel rail pressure sensor A)
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1997 Mitsubishi Legnum 2490CC TCL Traction Control
We have a Mitsubishi Legnum wagon Twin Turbo V6 automatic. Chassis # EC5W-0100142, Eng # 6A13 We have a TCL fault. While accelerating slowly away from an intersection the TCL light comes on followed by a Engine check light. We hook up our scanners and get the...
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1994 Nissan Altima GLE 2.4L Stall VIN: 1N4BU31D9R
This one has me stumped. It took 3 days for the condition to occur for me.When attempting to acclerate it stalls.It rarely does it at idle in park or neutral.Slowly pushing on accelerator nothing happens,only when you are driving when taking off from stop or v...
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1995 Nissan Maxima GLE 3.0L engine VIN: JN1CA21D3S
hi, I just had replaced a clutch and slave cylinders on the vehicle and now im getting a crank no start condition. i am getting a P0325: knock sensor circuit in the PCM. I am getting roughly 40 PSI fuel pressure and roughly 150-160 PSI compression across all c...
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1995 Oldsmobile Aurora 4.0L Mechanical VIN: 1G3GR62C3S
Hello Guys, This car towed in from a different auto shop, looks like its leaking oil&anti-freeze from the cylinder head gasket by the firewall , i can see where is the leak from, when pressure the coolong system it drips oil&antifreeze together over the exhaus...
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1995 Pontiac Grand Am SE 3.1L Hesitation, Cuts out, Poor Fuel Economy, hot exhaust
Well, I have this grand am that idles decent now that I tuned it up, but same as before the tune up, when load is increased, it falls on its face. I have done a fuel pressure test at idle and the pressure and volume are good. I have not checked them under a lo... Trouble codes: 28 (trans range sensor error)
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2008 Porsche Cayenne Turbo 4.8L Starting of Vehicle VIN: WP1AC29P68
-Vehicle will not crank over -truck recognizies the key and will unlock and lock doors -insert key in, dash lights up but will not crank. -battery is good, starter is good. -on previous repair, we disconnected battery, discharged it. uploaded the latest a...
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1999 Saab 9-5 SE 3.0L Timing VIN: YS3EF48Z8X
Ok all Saabies out there please I need your help and thanks in advance. The owner of this saab tried to do the timing belt him self, so he towed it to me with the t belt off, so I've noticed that the right side cam sprokets where cyl. 2,4,6,are have 2 timing m...
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2005 Saturn Vue 2.2L Surge VIN: 5GZCZ23D15
This Saturn is getting on my nerves! A 05 Vue 2.2L / 5 speed has a surge or buck on hard acceleration. There are no codes shown, however, the speedo jumps all over the place when it does surge. I replaced the speed sensor hoping that might have been the prob...
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2001 Subaru Outback 2.5L Valve Guides VIN: 4S3BH66571
Traveling valve guides, I have a 2.5 engine that is experiencing valve guides traveling toward the valve head on both banks. I see no outward cause for this to be happening. There is no sign of overheating, or oil starvation. No complaints from customer until ...
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2005 Toyota Matrix 1.8L MIL Lamp on VIN: 2T1KR30E85
Tank pressure sensor shows -3.69kpa with gas cap on or off. I have tested all 5 wires at LDP for resistance back to PCM,and the black/white to ground all show less than one ohm. With leak pump and sensor unpluged tank pressure reads -3.70kpa.I am using Launch ... Trouble codes: P0455
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2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWSA29M7Y
vehicle came in last week with a bad misfire, pulled codes p1255,p0300, p0301, and p0304.test ect wiring harness by unplugging sensor and got a reading of -46.5 celceuis (51 f)and with pin #3,#4 jumped got 141 celceuis(286f). tested sensor itself and was bad.r... Trouble codes: P0300, P0302, P0303, P1255
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2004 Volkswagen Beetle GL 1.9L Cooling Systems
This Beetle came in for a requested coolant sensor replacement-per autozone? Anyway customer brought in sensor and we replaced-problem seen when went to top off coolant-reservoir has alot of oil in it-Hoses not showing oil in them.Figured oil cooler has gone b...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 740iL 4.4L fuse 103 VIN: WBAGH8340Y
I am closing this post for now I unplugged the amp and plugged it back in and the drain went away still waiting on customer to return i will open up a post again if and when this reacurrs
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2001 Chevrolet Silverado 1500 4.3L Surge, Cuts out, Misfire VIN: 1GCEC14W51
Thank you all for the great advice. Tom with checking crankshaft end play(which was minimal), Don for checking the Ip circuit(which was clean), Joe for checking on sticky valves(vacuum was steady at all times, including the occurrence). Even had 21 inches @ id...
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2005 Chevrolet Suburban 2500 LT 6.0L Transfer Case VIN: 3GNGK26U05
MY CUSTOMER HAS NOT COME BACK FOR REPAIR,MY NEXT MOVE WOULD BE TO CHECK THE ENCODER MOTOR CIRCUIT,SHOULD WE GET A DIAGNOSIS AND REPAIR I WILL REPOST THANKS TO ALL REPLIES.
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2005 Chrysler Pacifica 3.5L MIL Lamp on VIN: 2C4GF48485
Hello all iatners, we finally have a fix on this vehicle. The problem was other shops messing with the car. It turns out that another shop had moved the rear oxygen sensor from the middle of the cat to the rear of the cat. once we realized this, we fit the o... Trouble codes: P0133.
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2005 Dodge Ram 2500 Truck SLT 5.7L cruise control VIN: 3D3KS28DX5
Truck is fixed, had a cheaper brand x hubs we used, replaced with a quality hub and all issues resolved.
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2007 Dodge Caliber SXT 2.0L Front Winshield Wipers VIN: 1B3HB48B17
Well, this is one of those that you need to send it to the dealer due to lack of equipment. I want to thank Gilbert and Robert who were right, Mark and James, for your time, and mainly to Simon because that was the answer I was needing, The people at the dea...
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2002 Ford E-350 Econoline 5.4L Rear HVAC Blower VIN: 1FDWE35L92
Bus has not come back, problem seems to have gone away from our tinkering. Has to have been a connection we moved either in the taillight area or around the steering column, but we were unable to identify the exact area. Thanks for all the responses on this on...
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2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1FTSW31P94
AFTER CHECKING ALL GROUNDS AND ABOUT 10 HOURES OF CHANGING KNOWN GOOD PARTS, ONE OF THE TECHS NOTICE THAT THE PCM HAD A SEPERATE BOX ATTACH TO IT, APPARENTLY THE CUSTOMER HAD A BANKS SYSTEM WHICH HE HAD NOT USED IN A WHILE DUE TO FACT THE SYSTEM KEPT BURNING ... Trouble codes: P0480, P0488, P0670, P0623, P0688.
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2000 GMC Yukon XL 1500 SLE 5.3L cluster VIN: 3GKFK16T4Y
AFTER CHECKING MY POWERS AND GROUNDS TO THE CLUSTER WE WENT AND INSTALLED A REMAN ONE FROM DEALER AND ALL IS WELL THANKS TO ALL REPLIES.
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2000 Honda Passport EX 3.2L Hesitation, Stall VIN: 4S6CK58W5Y
T.P reading (OK) fuel pressure (OK).Thanks Aram it was the E.G.R. valve.Also thanks for all other replies.
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2003 Honda Accord EX 2.4L Surge, MIL Lamp on VIN: 1HGCM56643
Ended up replacing the VTEC solenoid assy. Found that on a first run of the day (cold/overnight) that the solenoid would stick open solenoid command would be (off) while the pressure switch would be (off) also noticed after repair that the pressure switch (on/... Trouble codes: P2647 (VTEC oil pressure switch circuit high voltage).
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2002 Jeep Liberty Limited 3.7L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1J4GL58K22
Thanks to all who replied, you provided the push I needed to go after the valve train. #2 valve spring broke. not a bad job once I got over the fact the bare wires at the #2 injector had nothing to do with it. Thanks again to all who replied Trouble codes: P0202.
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1989 Lincoln Town Car 5.0L No Start VIN: 1LNBM81F8K
Was able to test hall effect sensor. Noticed sensor snap shot would drop out every once in a while. Replaced sensor. Now has perfect snap shot reading. Car has been gone now for a couple of weeks no phone call. Thanks again guys
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2003 Mercedes-Benz C230 Kompressor 1.8L head bolt threads VIN: WDBRF40J03
i see the general consensus is a timesert repair. due to time constraints we ended using what we had in the shop and used helicoils instead. In the future we intend use timeserts for this type of repair.
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2008 Mercury Grand Marquis LS 4.6L MIL Lamp on VIN: 2MEFM75V28
The car is fixed. This customer doesn't like to part with his car so I had to do it in steps. The fix was to replace the NAPA cylinder head temperature sensor we installed in December with an OE one. It was inconsistant, at times the heat gauge would show in t... Trouble codes: P0128.
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1999 Mitsubishi Diamante 3.5L Timing VIN: 6MMAP37P9X
As much as I hate to consider this a *fix*... We know the compression is low, we know it jumped time, we now know if the work was going to exceed over $200.00 he was going to junk the car. So can not verify oil starvation, etc... guess it doesn't matter since ...
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2004 Mitsubishi Endeavor XLS 3.8L Rear wiper/washer VIN: 4A4MN31S64
Thanks to all who replied. We did check the harness back at the gate and found no problems. We spent several hours on this concern and did not charge the customer. We suggested he go to the dealer where the have adequate schematics and flow charts.
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2003 Pontiac Grand Am GT 3.4L No Start, only when cold inter VIN: 1G2NV12E83
To all who helped with this thanks again, I could not done it without your help! turns out it was a voltage problem in the fuse box. the wire that supplies voltage to the fuse box from the ignition switch. Found it with a voltage drop on the pink wire from the...
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2000 Saturn SC1 1.9L timing cover VIN: 1G8ZP1285Y
As usual guys are the best of the best.iatn is the best thing that ever happen to the automotive industry. Thanks guys for all the great advice,it turned out to be rusty dowells holding the cover tight.(A New Jersey shore car)But I learned alot from the great...
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1992 Toyota Camry LE 2.2L No Start VIN: JT25K13E7N
Thanks for the help but the other shop is [...] fighting this one. Great advice on the intake grounds and wireing to the CKP. Will repost when they fix it. Trouble codes: 12 (crank sensor).
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2001 Volvo S60 2.4L Door Locks VIN: YV1RS61R11
Thank you all for your time spent. When this vehicle came in it had codes stored with VIDA For siren, ddm & cem. Windows sunroof,dome lights,door locks were all intermittent.After replacing computors mentioned & downloading with vida everything in system worke...
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