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Prev Professional Automotive Repair Technical Discussions for December 28, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Acura MDX 3.5L Misfire VIN: 2HNYD18242
this acura mdx came in july of this year with a severe missfire on cyl 2 found injector on this cyl not sparying fuel. After replacement vehicle ran perfect. In october customer brought vehicle in saying runs bad for first few mins after a cold start. I have v... Trouble codes: P1399, P0302 (Cylinder 2 missfire), P0303 (Cylinder 3 missfire), P0304 (Cylinder 4 missfire), P0305 (Cylinder 5 missfire), P0306 (Cylinder 6 missfire)
2008 BMW M3 4.0L Mechanical VIN: WBSWD93588
Hi everyone and Happy New Year to you all. I am working on an 08 BMW M3 and installing rod bearings.The customer purchased ARP bolts for the connecting rods and wants them installed. I have installed them following the torque spec provided with the kit which i...
1997 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y7V
Vehicle rarely starts. No comm with any modules; even when it occasionally starts it has no com when running either. Digital cluster; no speedo or odometer. mpg and hvac diplays dashes, but occasionally work. HVAC fan comes on and off with no input and no key ...
2005 Dodge Sprinter 2500 2.7L egr, boost servo motor VIN: WD2PD74415
P2511-1 and p0105-1 come back right away. We have checked everything mitchell says to check including the omhs testing but it does not make sense as the positive and [...] from both sensors are linked into 4 other sensors each and no other codes. Lots of bl...
2003 Ford Ranger Edge 4.0L Cooling system slow leak VIN: 1FTYR44EX3
Have a slow cooling system leak - seems to drain out from the system / reservoir at the rate of about 1 quart every two weeks. The cold pressure test performed on the cooling system (at 16 psi) does not give any indication of pressure of fluid / coolant loss. ...
2008 Honda Accord EX 3.5L Misfire, MIL Lamp on VIN: 1HGCP36878
This car is a monster! On cold start only, it misfires on the front cylinder head only. With emphasis on cylinder 5. After a few minutes the misfire stops, but the idle still seems a little rough. The fuel trim is a little rich after warm up, about -12%. The c... Trouble codes: P0304 (Cylinder 4 misfire), P0305 (Cylinder 5 misfire), P0306 (Cylinder 6 misfire)
2000 Kia Sportage 2.0L No Start, Stall VIN: KNDJA7231Y
Vehicle presented itself as a stalls, usually after running approximately 30 minutes, and then no start/cranks ok for another 15 minutes. Customer has taken vehicle to parts store to scan codes and replaced several parts. I removed timing belt cover to inspect... Trouble codes: P1614
2003 Kia Optima SE 2.7L Hesitation, Surge VIN: KNAGD12873
Im having trouble with this one. When crusing engine starts hesitating. I scanned computer, I noticed that TPS voltage goes up normal when pressing gas pedal, but throttle position % stays at zero until voltage gets to 1.25v. Below that voltage there is no TP ...
2007 Mazda CX-7 Touring 2.3L MIL Lamp on VIN: JM3ER29327
Hello than you for any help i can get on this cx7. Car came in with the check engine light on had code P2177 i erased code and took it for a test drive with scanner hooked up and pids stft and ltft on graphing mode i saw short term jump to 25 onces going highw... Trouble codes: P2177
2003 Mercedes-Benz CLK320 3.2L Dash Brake Light VIN: WDBLK65G03
Mercedes techs please help. I am sure someone has seen and repaired this problem before. I have the RED BRAKE LIGHT ONLY which stays on and chimes when driving. I have ohmed the fluid level sensor and I have 30.00m ohms which seem to decrease steadily to appox...
2008 Nissan Sentra SL 2.0L No Start, Surge VIN: 3N1AB61E08
Customer complaint-no start cold. Code displayed P0340,P1715. Unplugging cam sensor made it start. Scoped cam sensor, signal is spiking and has a bad pattern. Replace cam sensor with dealer part.Did throttle relearn 4 times and set timing at 6 degrees. Inside ... Trouble codes: P0340 (Camshaft position sensor), P1715 (ID pulley speedFix P0340 first)
2011 Nissan Altima S 2.5L max rpm's of 1500 VIN: 1N4AL2EP3B
car was brought in w/ no idle speed over 1500 rpm and cel on. checked codes and found c1130 abs/tcs code in it along w/p2128 and p2138 both pertaining to app pedal assy. checked pedal readings w/ scanner and meter. app sensor1 shows 0.6/0.9v @ rest and 3.9/4.... Trouble codes: C1130, P2128, P2138
1998 Plymouth Voyager Expresso 3.3L Defroster VIN: 2P4GP45R2W
This van came in about 3 weeks ago with complaint of no air out of defrost.i performed a recalibration,and defroster was working for three days until customer called to say that now she could not shut off defrost mode.i had her bring it back for recal,and afte...
1999 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Surge, Stall VIN: 1G2WP12K8X
hello every one. as it says in the repair history this is not the first time we have looked at this vehicle for this problem. we had to replace the iac again as it had come apart again. this did not help our situation this time. after the vehicle runs and warm... Trouble codes: P0172 (fuel system rich bank 1)
2011 Ram 1500 Laramie 5.7L fuel pump VIN: 1D7RV1CT7B
Good day this ram has a fuel pump that says running the truck has had 1 engine and 2 computers but not a tipm (totally integrated pwr module) 750$ from dealer this is basically an electrical pcm at the fuse box I believe 1 relay(soldered in) is sticking on and...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Cadillac Seville SLS 4.6L MIL Lamp on VIN: 1G6KS54Y92
Most replies suggested a factory cat. While the price for that is $2000.00, the customer is not going to spend that much. I don't blame him. We are waiting for another cat that is supposed to be a California compliance cat. Been waiting over two weeks now. We'... Trouble codes: P0420 (Cat effic).
2003 Cadillac CTS 3.2L Heater VIN: 1G6DM57NX3
Thanks to all for the replies and advice. This car is finally fixed. In summary, if it looks like a bad heater core, sounds like a bad heater core, it's probably a bad heater core. And that's what it was - a bad heater core. More to the point, the system w...
2005 Chevrolet Silverado 1500 LS 5.3L transfer case VIN: 2GCEK13T25
well the owner kept telling me that some shop had replaced the encoder motor with a dealer unit that cost him $500.00,so I ruled out the encoder motor and went for the tccm to no avail. I finally pulled the front drive shaft to get a closer look at the harness...
2002 Dodge Dakota 4.7L Hesitation
Thank all of you for your input. As many of you suggested I pulled the valve cover and checked the timing marks and found the cam gear slightly off. So I removed the cover and found all marks on chain to be on. replaced chains and gears and marks lined up bett... Trouble codes: P1391.
2006 Dodge Ram 1500 SLT 5.7L tach VIN: 3D7KR19D66
Thanks to Gus for giving me the right info on this one. The used cluster worked just fine except for the mileage. Mileage in used cluster was actually higher than what was on the vehicle. It belongs to a used car lot and they were happy with it, so the milea...
1999 Ford Mustang 3.8L Poor Idle Quality, Surge, Misfire VIN: 1FAFP4046X
First off thanks for the replies. This was a weird one. The problem seem to come and go and never was repeatable. The only thing that made any improvement was after I cleaned the PCM connectors and retested every thing. The problem seemed to have gone away. I... Trouble codes: P1120.
2003 GMC Yukon SLE 5.3L dome light,dash shows rear access open VIN: 1GKEK13Z83
The car always started for me no codes in any module,the car also needs a DDM because of window issues I advised customer that the bcm and ddm should be changed at the same time because both need to be flashed and 1 visit by my flash guy is cheaper than 2. Cus...
2006 Mazda 3 i 2.0L No power steering VIN: JM1BK12FX6
Thanks to everyone who responded to this electronic power steering problem. The wiring diagrams were a big help. Wiring, grounds and power source's all test OK. We opened up the electronic power steering and found water in it. No Mazda dealer near ...
2005 Nissan Altima S 2.5L No Start VIN: 1N4AL11D85
I am sorry this one when to the dealer. The car lot was pressed for time and took it to dealer and was told it needed 1100.00 bucks to fix. They towed it back and sold both cars, the one with engine and without and got 1000.00 bucks for them. I wish I got mor...
2009 Smart Fortwo Passion 1.0L Clutch? VIN: WMEEJ31X69
Sorry for the delay in closing. Without the knowledge of the vehicle or the particular system I had the customer bring it to the Smart car dealer. the customer told me Monday they had to put a clutch in it. Personally I believe they just programed it, but he w...
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