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Prev Professional Automotive Repair Technical Discussions for March 26, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi Allroad Quattro 2.7L gearbox
Hi all,anyone seen or heard of this problem and have a fix for it. The gear box has a dedicated rear on the trans for this unit and solenoids to operate it and would appear to be hydraulic and as stated is stuck in low ratio,any help would be appreciated. Pau...
2005 Audi A4 1.8L MIL Lamp on, Lack of Power VIN: WAULC68E55
Car has multiple codes; listed below. Vehicle lacks power. Customer claims catalytic converter was glowing red. Was unable to duplicate. Figured out the Secondary Air Injection code; water in pump and a torn elbow near valve cover. Believe the lack of power is... Trouble codes: P0420 (16804 Catalyst Bank 1 Operation Below Threshold), P0410 (16795 Air Injection System Incorrect Flow Detected), P0299 (16683 Boost Pressure Regulation Control Not Reached), P1293 (17701 MAP Controlled Engine Cooling Thermostat Upper Limit Reached)
2009 Audi Q5 Premium 3.2L MIL Lamp on VIN: WA1KK78R59
Hello Audi Techs, We aren't familiar with the Intake code P2070 Intake Manifold Tuning valve stuck open. We would like to know if these manifolds have internal issues and if anyone has seen anything external cause this code. The second code on the list we are ... Trouble codes: P2070 (Intake Manifold tuning valve Stuck Open), P0491 (Secondary Air Injection System Insufficient Flow Bank 1)
2000 BMW 323i 2.5L Missfire
Car came in from other shop that got missfire codes P0300, P0301, P0303, P0304 and P0305 (generic missfire and missfire on 1,3,4 and 5) They replaced plugs with correct NGK. All codes back. I cleared and reran. P0303 kept popping back up, so I assumed coil #3 ...
2008 BMW 328i 3.0L Poor Idle Quality, Hesitation, Misfire VIN: WBAWR33548
We replaced the V.C. gasket for oil leaks, ran fine post repair. Jumped it to confirm no oil leaks next day and it ran fine until I revved it up, it then idled rough and whistled. The whistle was from really high crankcase vacuum. Did nothing but restart it an... Trouble codes: 2A82, 2A98
1997 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 2GCEC19R5V
Hi everyone and thank you for taking the time to look at my post. I have this truck from a first time customer. Customer replaced the engine with a new crate engine, I do not know what was wrong with the original engine, once installed, he could not get spark ... Trouble codes: P0336 (Ckp sensor performance), P0339 (Ckp sensor circuit intermittent)
1999 Chevrolet Express 2500 5.7L turn signals VIN: 1GCGG25R2X
When i turn on the parking lights the turn signals stop working, with parking lights off turn signals blinks fast on both sides with left or right turn signal on. grounds good checked with headlamp.removed all bulbs and both turn indicators light up on dash an...
2005 Chrysler 300 Limited 3.5L No Start VIN: 2C3JA53G25
Car came in from a used car lot. An auction car. Never ran. No crank and No start. Based on the codes found, we replaced the ignition switch. When you turn the ignition switch to the run position the dash lights come to life and then after about 10 seconds the... Trouble codes: B2107, B2100, B2124, U0100
2005 Chrysler PT Cruiser GT 2.4L Dash VIN: 3C3AY75S45
Complaint of the dash gauges and other warning lights in-operative,no dash illumination lights and no dome and mirror lights. Car came in with this complaint--left it set because I was busy. Now at times everything works and in-op again.Got UO155 for engine,26...
2006 Dodge Ram 1500 TRX4 5.7L Mechanical VIN: 1D7HU18266
Hello Everyone I got this dodge truck that came in for a brake pulsation. The car needed rear brakes and the front rotors to be machined. This fixed the pulsation, but now vehicle will pull or drift to the right when you apply the brakes. The temperature on t...
2006 Dodge Sprinter 2500 2.7L Vents VIN: WD0PD74466
I have a new customer with three Sprinter vans, all with the same problem. The HVAC vents will not change positions. We pulled the control head and found one of the cables kinked. More likely than not the cable was damaged because the doors do not move freely....
2008 Dodge Ram 1500 ST 4.7L Valve Noise VIN: 1D7HA18N88
Thanks for your help. Have a 2008 Ram with a 4.7L motor with what appears to be a valve train tap. Does not show immediately at cold start but starts within 15 seconds or so of start. It usually quits when motor gets hot but sometimes will tap on-and-off in 5 ...
2001 Ford F-150 Lariat 5.4L Unknown VIN: 2FTRX18L61
Tune up was performed 300 miles ago, miss on cylinder #7 has been an on going problem in the past. Scoped Coil pattern looked bad so we replaced coil and spark plug with motorcraft still same issue. It isn't a consistent misfire does it randomly.
2001 Ford Explorer Sport Trac 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMZU77E51
I am stumped on this one. This vehicle exhibits a very rough high idle at around 1500rpm. It goes away with light acceleration. Mil lamp is on but only for p0171(bank 1 lean). Occasionally will also have misfire code but very sporatic and never the same cylind... Trouble codes: P0171 (Bank 1 lean)
2009 Ford Ranger XLT 2.3L shift sol b VIN: 1FTYR10D89
Hey yall. i have another headache here. i work for a company who has a small fleet of about 70 Ford Rangers, and this is the first time i have seen this problem. vehicle was recently purchased second hand. they drove it from Sacramento to Lake Tahoe with no is...
2013 GMC Sierra 1500 SLE 6.2L Noise VIN: 3GTP2XE22D
This truck belongs to a colleague. Occasionally on cold start up ,there is a noise that sounds like a lifter /valve train problem. As the truck warms it disappears. Although it is still under under warranty, I was wondering if any one has heard of a noise prob...
2008 Honda CR-V EX 2.4L heater VIN: JHLRE38798
This CRV appears to be in extremely clean condition, our long time customer just purchased it used from a dealer, and the heater has little to no output. When the customer drove it to our shop, the temperature was set to max hot in auto mode and there was no ...
2011 Isuzu Reach 3.0L Redundant injection valve stuck closed bank 1 VIN: JALB4W175B
Delivery truck Drove in at 5 mph. DEF fluid was empty. filled and cleared all dtc info vehicle ran fine for 60 miles. DTC p20c9 p205, p206 and p208e present replaced Redundant tank sending unit and Temp sensor as per dtc indicating temp sensor fault. cleared a...
2002 Jeep Liberty Sport 3.7L heat cold VIN: 1J4GK48K22
Customer brought in for low heat out of vents,defrost,floor.Checked over complete cooling system found coolant alittle dirty and engine only getting to approx 170 degrees.heat temp coming out of vents was 85 degress.performed coolant flush and replaced thermos...
2003 Jeep Liberty Limited 3.7L wont shut off VIN: 1J4GL58K53
vehicle will not shut off when engine has been running for at least 2-3 minutes if run time is less than that engine will shut off with key fine if I pull fuse 13 interior fuse block engine will quit and turn the key off afterwards all the lights in instrument...
2004 Jeep Grand Cherokee Laredo 4.7L Head gasket VIN: 1J4GW48N54
Greetings. This Jeep was in a while ago because of a difficult restart after a short hot soak. Found two injectors were seeping fuel and causing a light flooding restart problem on a warm engine restart. We replaced the #1 and #5 injectors, used our injector c...
2005 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJF72385
This car runs perfect under all conditions, but sets fuel system lean codes. Fuel pressure steady at 52 psi@ all times.STFT only goes high on normal acceleration. DTC sets when LTFT reaches 14.5. Fuel volume is good(32 ounces in (10 seconds). Upstream O2's peg... Trouble codes: P0171 (Fuel system leanbank 1), P0174 (Fuel system lean bank 2)
2009 Kia Borrego LX 3.8L suspension VIN: KNDJH74189
hey iatn , customer complaint while driving & switching lanes or exiting off ramp , feels like you would lose control. check ed all suspension front & rear. nothing found broken, some bushing in rear are worn but not separated. if any body has had nis pathfind...
2001 Mercedes-Benz SLK230 Kompressor 2.3L cam ajustment VIN: WDBKK49F71
To all the great people of iatn. please I hope some one can help me. the customer stated the rattle did not start till after we serviced the car. the problem is that the cam adjustment unit rattles bad when applied and then again when released. I have checked ...
1998 Nissan Pathfinder LE 3.3L No Start, Cuts out, Stall VIN: JN8AR05Y8W
Vehicle was being driven on interstate, lost power suddenly and died, wont start again, smoke coming from underhood. Upon examination at the time, found both cat converters cherry red, thought it was clogged exhaust system, complete exhaust was removed by neig...
2002 Nissan Xterra SE 3.3L panic alarm VIN: 5N1MD28Y12
thanks in advance for your help. truck came in with intermitant alarm goes off sure enough 10 minutes after dropped off alarms sounds off. but customer,key and remote are gone he took off to drop someone off at the light rail station when he returned he presse...
2004 Nissan Altima S 2.5L fuse 41 in IPDM VIN: 1N4AL11D14
Car came in with fuse #41 Blown. This fuse powers up parking light circuit and dash illumination. I disconnected dash plugs and cicuit fuse still blows. I disconnected M11 connector to isolated rear lights out of the circuit. Turned the parking lights and the ...
2013 Nissan Versa 1.6 S 1.6L Check Engine Light VIN: 3N1CN7AP6D
This is my daughters car in North Carolina. The CE light popped on about 2 months ago, and she took to local Nissan Dealer. They diagnosed a faulty transmission. She picks cars up, drives about 500 miles, CE light back on, and same fault codes. Takes it back, ...
2012 Subaru Impreza Premium 2.0L Daytime Running Lights VIN: JF1GJAC65C
This vehicle was in an accident and the main wiring harness from the engine compartment to inside was damaged. We removed any broken or damaged wires and spliced in new wire. Everything works except the daytime running lights. I turned the High Beams on and th...
2009 Suzuki SX4 2.0L Stall VIN: JS2YB41349
Has a clicking or ticking noise from top end of engine I pulled the cam cover and do not see anything wrong.It does not sound like rod knock sounds like valve train noise. Timing chains look ok can see the top wear block. it will stall when coming to a stop cu... Trouble codes: P2A01, P0327 (Knock sensor low input), P0420 (Bank 1 Catalyst system low efficiency)
2001 Toyota 4Runner SR5 3.4L abs VIN: JT3HN86R01
Vehicle has multiple codes co200 rf wheel speed,co205 lf wheel speed,[...] solenoid relay,c1223 abs control system,c1246,master cylinder pressure switch,[...] motor relay.Tried to clear them and they come rite back.All fuses are good.Belongs to a car lo...
2003 Volkswagen Passat GLX 2.8L Ignition Coil VIN: WVWWH63B23
I replaced the timing belt and water pump. after assembly I am getting misfires on 3&5. Rechecked the valve timing and it is good. performed leak down just to make sure (15%). Both cylinders share the same ignition coil. Replaced the ignition coil assembly (na...
2003 Volkswagen Jetta GLS 1.8L Trans mount VIN: 3VWSE69M33
Strange problem with this Jetta! Four months ago this car was towed in with the transmission laying on the frame due to the bolts pulling out of the trans bracket in the rear of the trans. We replaced the mount, bracket, bolts and axles using dealer parts for ...
2007 Volkswagen Jetta Wolfsburg Edition 2.5L Poor Idle Quality VIN: 3VWEG71K97
This car sucks. Possible literary. After a few minutes (10-20) Idle starts to climb- goes to 2000RPM and bounces to 1200 rpm, Acting like a valve cover- we replaced it with no change. Some times it runs great for a long time until I aggravate it, example with ... Trouble codes: P0506, P0113
1997 Volvo S90 2.9L pulls right HARD VIN: YV1KS9603V
my apologies if i get too long winded in this post. also, while the VIN says this is an s90, the car is a 97 960. at least according to all of the badging on it. this customer is a dealer. he'd just bought this car. it had the right rear bent. we replaced wi...
2001 Volvo V70 2.4L Ecm VIN: YV1SW61R51
Looks like ECM is dropping injector driver after heating up. Used ECM's from sources are dirt cheap but need to be reprogrammed. Dealer claims used units cannot be reprogrammed. Do not want to invest in a new reman or dealer replacement unit. Is it true that u...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A6 Quattro 3.2L Hesitation, Surge, Misfire, MIL Lamp on VIN: WAUDG74F35
thanks to all who replied but drove car for 2 daysdrive normal no codes and fuse #5 hasn't blown yet. will return car to owner and see what happens. Trouble codes: P2401, P2295, P2009, P2237, P2240, P0306.
2003 Chevrolet Express 3500 LS 6.0L Misfire, MIL Lamp on VIN: 1GAHG39U83
After talking to AC Delco and finding out that they are no longer making this manifold and performing a nationwide parts search, we ordered some manifolds from the junk yard. All of the used manifolds were in worse shape than the one I took off this truck. I d...
2008 Chevrolet Impala LTZ 3.9L Hesitation, Cuts out, Stall VIN: 2G1WS55328
Closing the shop the other day, the vehicle did not start when trying to bring it in. Fuel pressure in spec., but no spark. Connected scanner for RPM data- 260RPM cranking. Then it started. Off of a hunch, swapped with a good ignition module/coil pack. Di... Trouble codes: P0172 (Fuel Trim System Rich).
1999 Dodge Ram 1500 Laramie 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16Z9X
since it is a short trip hardly driven truck customer decided to just let it be for now...after further thought i am leaning towards a flat cam lobe Trouble codes: P0302.
2008 Honda Accord EX 2.4L . VIN: 1HGCS12788
this one is fixed, some one in the past replaced this hub bearing, and put it in wasn't able to read the magnetic side of the bearing,after replacing the bearing it fixed the problem.thank all of you for your help.
2004 Jaguar XJ8 4.2L No Start, Long crank time VIN: SAJWA71C14
I never liked the sound of the starter. I first did amp test and it was 180 amps. Cranking rpm was around 130. Thought that was ok so I looked else where. I now replaced starter and sounded good and fired right up 20 times. Its fixed. Amp test of new starter ...
1996 Jeep Grand Cherokee Limited 5.2L starter, headlamps, instrument cluster VIN: 1J4GZ78Y7T
Thanks for all the replies. The Jeep had a remote starter installed at the dealer in 97...the owner had no knowledge of it...I found it, removed the system and no more problems.
2006 Jeep Grand Cherokee Laredo 4.7L Instrument cluster VIN: 1J4HR48N06
Thanks to everyone who took the time to reply. The customer went to the dealer and spoke with the service manager but received no help. He brought it back and I replaced the electrical portion of the ignition switch. The new switch felt much stiffer than the o...
2009 Jeep Wrangler Unlimited Sahara 3.8L transmission VIN: 1J4GA59189
On last test drive heard loud noise from transmission and now we have a "confirmed" diagnosis and we will be replacing the transmission complete. Thank you for all your help.
2008 Mercedes-Benz GL450 4.6L door lock VIN: 4JGBF71E18
Took off metal cover and found corrosion in the SAM module. Im not sure if Mercedes could have put it in a more pain in the A place to get to but replaced it and all is well. Thanks for the replies
2007 Nissan Frontier SE 4.0L No Start VIN: 1N6AD09U97
Ok this truck is fixed send the ECU for repairs to select core they fixed it and sent it back install a new battery with good cranking AMPs and it is working great. Please remember that you must have a good battery in these trucks.Thanks to those who replied Trouble codes: U1000 (can communication line), U1001 (CAN communication), P1614, P1551 (Battery current sensor).
2008 Pontiac G5 2.2L MIL Lamp on VIN: 1G2AL18F28
Thanks for all the responses guys. The air filter was replaced with a quality one so there was no issue there. I did check to make sure the downstream and upstream 02 connectors were not switched previously because they are close together and could see how t... Trouble codes: P0172 (Fuel system rich).
2000 Toyota Tundra SR5 4.7L Front differential actuator VIN: 5TBBT4416Y
Ran out of time on this repair. Checked everything that was brought to my attention but still would not disengage front differential. Thanks for all the help
2007 Toyota FJ Cruiser 4.0L Surge VIN: JTEBU11F57
Thank You for all your input. We decided to go after the shutter first and it was the torque converter. We went with a remanufactured transmission. My P0016 is a stretched chain and we are going to dive in to that Monday. I just wanted to be sure the chain iss... Trouble codes: P0016 (Cam/crank correlation).
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