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Prev Professional Automotive Repair Technical Discussions for December 12, 2014
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Help Request Answers
2004 Audi A4 Quattro 1.8L Heat VIN: WAULC68E04
Still no heat. Pulled hoses off of heater core with vehicle running have no plow to heater core. If you hold vehicle at 3000 rpm get slight heat and slight coolant flow. While I had the pump out I blew air back through the heater hoses into the block. Seemed t...
2001 Chevrolet Tahoe 5.3L Unknown VIN: 1GNEK13T51
Hi every body out there. I have this car for two mounts, I couldn't figure out really what's going on with this car, makes me crazy, car drains battery in 48 hours if I don't disconnect body control module and cd player and amplifier , I got new body control m...
2004 Chevrolet Trailblazer LS 4.2L transfer case VIN: 1GNDT13S34
Have 04 Trailblazer in complaint of "skipping" in A4wd. Test drive confirmed complaint and on lift can hear tcase engage/disengage. Solus Ultra in tcase data shows slippage rpm that spikes to 65535 when turning. The propshaft rpm data (front and rear) that it ...
2007 Chevrolet Impala LTZ 3.9L oil pressure
the low oil pressure light comes on and stop engine comes on at information center and engine looses power
2007 Chevrolet Express 3500 6.0L brakes VIN: 1GAHG39UX7
vehicle came in originally with abs light on for ebcm we replaced ebcm which fix that problem about a month later came back in with no brakes checked all brake slides and rebleed system was good for about another month,and came back with no brakes so we replac...
2011 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GC1KXEG7B
This vehicle has the MIL and the Stabilitrak light coming on and flashing intermittently. I have noted that when the live misfire data is observed that during steady throttle position the data will indicate massive amounts of misfires especially on cylinder fi... Trouble codes: P0300 (random misfire detected)
2001 Chrysler PT Cruiser 2.4L air bag light VIN: 3C8FY4BB41
Hi every one out there I wish every body dose all right, I have a 01 pt cruiser came in for intermittent air bag and check engine light on , I found no related cods to engine management system nether air bag system I drive the car find out it is not just air b...
2001 Dodge Intrepid R/T 2.7L No Start
I just replaced the timing chain and water pump in this and it wouldn't start. I checked compression, it looked good, checked spark on passenger side and there was none. On driver side bank it had excessive spark, like firing at triple time. I realized then th...
2002 Dodge Ram 2500 5.9L Surge VIN: 3B7KC23622
checking fix database, I found half a dozen like posts all have no resolve. I hope someone has found it. this truck at highway speeds will start to surge, you can feel turbo cycling between 7psi to 15 psi. starts in upper 60's. I see in database, everyone has ...
2004 Dodge Stratus SXT 2.4L No Start VIN: 1B3EL46X14
Vehicle came in on tow truck as a crank no start 2 days after timing belt and water pump were replaced. I have 55-60psi of fuel pressure. Good spark on all 4 cyliders. Compression readings of 105psi across the board. Timing has been checked multiple times. Goo...
2005 Dodge Ram 1500 SLT 5.7L starter
Hi all, I have a Doge Ram 1500 here and it came in with no start. I confirmed that the relay is getting signal from ignition switch and that the starter will crank from the relay. I found I did not have signal from the computer so I went to look at data and I ...
2003 Ford Expedition XLT 4.6L monitors won't run VIN: 1FMPU16W43
Cleared codes, needs smog. No codes except p1000. Trying to run and complete ho2s and cat monitors. EGR is complete, followed driving instructions I got from all data. Start from cold and make sure temp rises above 170f. drive 40 5 mintues, drive 45 to 65 10 m... Trouble codes: P1000
2004 Ford Explorer NBX 4.0L ignition switch VIN: 1FMZU73E04
I replace the elec. potion of the ignition switch because, it was holding the key from coming out of the ign. when I unplug the elec. conn. from the switch the key comes out, ford said there were four part num. changes on that switch, indicating they had a pro...
2007 Ford Fusion SE 2.3L 3-4 shift VIN: 3FAHP07Z77
hello, and thanks for any help on this one. i work alongside a transmission shop, and am trying desperately to help solve this one. vehicle initially came in for a "neutrals while driving" issue. first, it was sent to ford for a new tcm(i am not sure why, but ...
2007 Ford Crown Victoria Police Interceptor 4.6L Stall VIN: 2FAFP71WX7
Vehicle has been dying intermittently at idle speeds. No codes present. All data pids look normal. Found fault happens when pcm commands purge. Replaced purge valve and fault still occurs. Check for proper vent operation and no problems found. Fuel level about...
2008 Ford F-150 XLT 4.6L Monitors VIN: 1FTRF12W78
Vehicle has been rejected by state emissions test site for un-run monitors.Check power feeds and grounds at PCM and all are normal.Test drive vehicle and several monitors run normally.Once key is cycled all monitors reset even though keep alive power to PCM ha...
2010 Ford F-150 FX4 5.4L Right cylinder head VIN: 1FTFW1EV8A
Hi, do any of you ford techs know if i can pull the right cylinder head off this 5.4 liter while still in the truck? I need to replace #1 exhaust valve! If so, is there anything you can suggest for a smooth repair? Thanks
2010 Ford F-150 XL 4.6L Unknown VIN: 1FTEW1C8XA
Hello again to everyone. I am trying to help my Napa store manager out with his "keep you awake @55mph" Ford F150. He bought this truck used and it has a serious vibration coming from the rear of truck. Worse when cold. The dealer he bought it from replaced ax...
2011 Ford Explorer XLT 3.5L speaker VIN: 1FMHK8D84B
Thanks for reading this guys... I have a sweet '11 Explorer XLT 4x4, after a bump or sharp turn or sometimes random not exactly sure of any of the 3 scenarios. after driving for maybe only 5 minutes, you (most times) get a buzzing sound in the right front spe...
2005 Hyundai Sonata GL 2.4L Poor Idle Quality, Cuts out, Stall VIN: KMHWF25S95
Thanks for reading, and any help you may have. I was gifted this car after the shop that replaced the motor couldn't figure it out, so now I get to. So the problem here is at an idle it runs rough and stalls, won't start unless given throttle and will die if l... Trouble codes: P0507 (Idle high)
2005 Hyundai Tucson GLS 2.7L No Start VIN: KM8JN12D15
This Hyundai was brought to our shop by another shop, The Truck was purchased from an auction not running,another shop repaired some grounds, installed a new main engine relay due to bad wires and replaced both cam & crank sensors,it did not help. The problem ...
2003 Jaguar X-Type 2.5L 2-3, 4-5 shift
I have another jag xtype with a hard shift. It is not a very hard shift but is not normal. It is worst when downshifting from 4-3. I swapped out the valve body with a known good one but it didn't change a thing. I admit I did not change the solenoids which is ...
2006 Lincoln LS Sport 3.9L Engine VIN: 1LNFM87A66
This customer is a close friend of mine. He brought me the car to have repaired after he became fed up with the used car lot from where he purchased the car. There is no loss in performance but the vehicle exhibits a pending p0012 camshaft over advanced code ...
2008 Mazda CX-7 Touring 2.3L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: JM3ER29388
Here it goes. Please read everything. This cx7 turbo was at a mazda dealer for months where it had the kitchen sink thrown at it with no improvement. (see the list above) It was originally brought to them with a complaint of surging & loss of power. Eventually... Trouble codes: P0016, P0340, P0401, P2096, P0101
2003 Mercedes-Benz C320 3.2L no shift VIN: WDBRF64J83
My question is does anyone know if the valve body has to come out to r&r conductor plate.If it does is it a terrible job.I am not a trans shop but I don't mind doing this if I am not going to get in over my head. Thanks
2007 Mitsubishi Raider DuroCross 3.7L No Start VIN: 1Z7HT38P27
Customer stated that truck died while driving on the highway. Customer brought the truck to the shop, hooked up the scan tool to it. Scan all module everyone communicated except the pcm, checked all the wiring and fuses everything ok. No 5v coming out of pcm. ...
2008 Nissan Versa SL 1.8L Stall VIN: 3N1BC11E78
***please review related repair history for the back ground and happy reading*** After a full study of the circuts it dawned on me... if I could make the throttle responsive during the crank request I could overcome the choking condition the engine was experi... Trouble codes: P0340
2009 Volkswagen Routan SEL 4.0L All shifts VIN: 2V8HW64X49
Upon disassembly of trans, the 2-4 clutches were burnt and compounder shaft was worn. We performed overhaul, replaced compounder, and solenoid body(for CYA measure). Installed trans, and acts the EXACT same as before. Slippage in drive and reverse. Trans quick...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Audi A6 3.2L LDP pump VIN: WAUKH94FX6
Well I had to release the car to the customer and I have never heard back. I did tell the customer that the fault may return and we would have to spend more time diagnosing the problem. Thank you all for the help.
1999 BMW Z3 Roadster 2.8L MIL Lamp on VIN: 4USCH3336X
we smoked engine one more time and found another bad hose that was very soft so when the car was running it would suck the hose in causing a vaccum leak. Trouble codes: P1188, P1189.
2010 BMW 750Li xDrive 4.4L Misfire VIN: WBAKC8C55A
Replaced Faulty Ignition Coil. Car Is Fixed. Thanks Trouble codes: 14030.
2007 Cadillac Escalade 6.2L starter VIN: 1GYFK63877
thanks guys for your help. the problem was a bad key. owner used spare key for 3 weeks now with no starting issues. I thought a bad key would leave a security trouble code but apparently not. Thanks again, Roland
2003 Chrysler Town & Country LX 3.3L No Start VIN: 2C4GP44373
I thank all for the helpful suggestions. I contacted the customer to arrange an appointment and he said it had not failed for three days and that he wanted to drive it the way it is until it either failed more consistently or failed all together. I agree that ...
2006 Chrysler PT Cruiser 2.4L No Start, Poor Idle Quality, Cuts out VIN: 3A4FY48B96
Thanks to all who repsonded. Checked and reset the timing on this vehicle four times. Every time was dead on and still wouldn't run. After some additional research found out that Chrysler has 2 different cylinder heads and three different camshafts for the 2....
2001 Ford Explorer Sport 4.0L Unknown VIN: 1FMYU70EX1
after rebuilding the transfercase intermitant problem would get stuck in 4 wheel low and hi, no communication with transfercase controll module, replaced module its working good now,all is ok thanks for the advise.
2010 Ford E-450 Super Duty 6.0L Excessive Emissions, MIL Lamp on VIN: 1FDFE4FP5A
thank you all for your help, I put in a estimate to replace oil and EGR cooler, and new valve, and will decide on clean or replace intake if I get ok to repair. this is a federally funded fleet, so it may take weeks for approval. I do believe that chunks of ca... Trouble codes: P1335 (Egr valve-closed voltage/position out of range).
2005 GMC Sierra 1500 SLE 4.8L Misfire VIN: 1GTEK19V45
Thank you for the help it was the injector. I removed the rail and swapped the injector with the one next to it and the miss moved. Trouble codes: P0300.
2002 Honda Civic EX 1.7L MIL Lamp on
2007 Mercedes-Benz GL450 4.6L MIL Lamp on VIN: 4JGBF71E57
after double checking our wiring we decided to change the crankshaft sensor being that there was a code present for that,it has been 2 days and all seems fine thanks.wishing everyone a merrychristmas and a happy healthy new year. Trouble codes: P2610 (Engine off time has an implausible value), P0335.
2006 Mini Cooper S 1.6L MIL Lamp on VIN: WMWRH33526
So we decided to reseal the intake manifold and replace all of the injector seals because although it passed the smoke test, we could get fuel adaptations to correct when spraying the injector seals with throttle cleaner. We also found that the oil cap we inst... Trouble codes: P1498.
2003 Nissan Altima S 2.5L Poor Idle Quality, Surge VIN: 1N4AL11E63
no need to take to dealer after the fouth time of trying to reset it finally did the relearn on my iscan computer diagnostics tool. thank you everyone for your help
2007 Nissan Pathfinder SE Off-Road 4.0L srs VIN: 5N1AR18W07
received the lower "spiral cable"/"clock spring" for this repair from the dealer. However, what I needed was the upper " combination switch" which had an open and is the other spiral cable/clock spring. When performing a resistance test on the upper spring(whi...
2002 Pontiac Sunfire SE 2.2L Cluster VIN: 1G2JB52442
After going over this again I found the ground that's supposed to be attached to the battery tray rotted off. Repaired and all is well thanks for the help
2006 Pontiac Solstice 2.4L engine performance VIN: 1G2MB33B06
We came to the conclusion, thanks to testing and with information you guys posted here, that the cat had indeed been damaged. The customer drove for so long with intake actuator bad and severely misfiring spark plugs, that once it became unbearable to drive, t...
2005 Toyota Tacoma Pre Runner 4.0L Unknown VIN: 5TETU62N15
Trans flush with toyota WP fluid fixed it. I would never have thought bad fluid would make such a violent bounce. It was nothing like a ford shudder that fluid changes fix. And the fluid was drained and refilled a year ago with Toyota wp. Don't know why it wen...
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