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Prev Professional Automotive Repair Technical Discussions for January 24, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2008 BMW 535i 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBANW13518
I need help on this "thing". We did basically resealed the engine because of massive oil leaks. The car ran fine when it came in, don't remember if there was a CEL or not. After the work the car starts fine when cold but as it warms up it runs rough ONLY when... Trouble codes: 2A2D, 2AAF, 29F3, 29E1, 2F7B
2000 Chevrolet S10 2.2L No Start VIN: 1GCCS1448Y
I posted this problem a while back but it warmed up and never did it agian. Now its winter time. When this truck gets below 40 degrees we have no spark and no injecotr pulse. We have good crank sig. Right at the sensor but nothing showing on the scan tool. We ...
2002 Chevrolet Impala LS 3.8L Ipc VIN: 2G1WH55KX2
Help this one is driving us crazy my lube boy bought this hoping it was an easy fix but it is proving more difficult he bought it from a backyard mechanic and he said he replaced the manifold and valve cover gaskets and didn't run afterwards so we got it to th...
2002 Chevrolet Silverado 2500 HD 6.6L monitor,smog check VIN: 1GCHC23172
I cleared the codes,resetting monitors and am having trouble with EGR monitor not completing.need to have it complete to pass smog check.Drove several times as instructed "drive cycle" cold start below 50 celcius(120 f).let idle fans on ac on 3 minutes.cruise ... Trouble codes: P1093
2004 Chevrolet Silverado 2500 HD 6.6L Misfire, Poor Fuel Economy VIN: 1GCHK23134
customer brought vehicle in with fuel in oil we removed injectors and customer had them tested with one coming up bad.so we reinstalled with new seals and copper washers new return lines and gaskets changed oil and filter drove 5 miles and once again fuel in o...
2005 Chevrolet Equinox LT 3.4L Vibration in body VIN: 2CNDL73F35
Hi Everyone and thank you for the help. I have an 05 chevy equinox that has a Vibration above 55. The only way that we have found to get rid of the Vibration is to pull the rear drive shaft. We have 2 05 chevy equinox and the other one does not have any Vibrat...
2005 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDS13S65
vehicle came in would stall while customer was driving finally got the vehicle to stall and checked had no fuel pressure and pump would not run replaced fuel pump and test drove vehicle still the same problem any help would be great
2005 Dodge Ram 1500 ST 4.7L Surge, Stall, MIL Lamp on VIN: 1D7HU18N85
Need help dodge guyas!!!this truck is my Pastor's so I have to get this one fixed. came in with code p0335 replaced cam and crank sensors twice for good measure monitor crank signal with mentor touch and pegisys no drop out. after truck warms up do not see clo... Trouble codes: P0335
1995 Ford Contour LX 2.0L Engine
I replaced the fuel pump after I had no fuel pressure with KOEO no fuel pum activation either. Fuse,Relay and Inertia switch ok. Still no start and pump is working. Now I disconnect the MAF sensor and she runs ok at higher rpms. Rough Idle. Verified voltages f...
2002 Ford Taurus LX 3.0L Heater VIN: 1FAFP55U02
Hi guys, I have a Taurus that is giving me some trouble with a no heat issue. When the car first came in one of the heater hoses was hot and the other was cold, the coolant was a nasty rusty color, no problem sold a heater core power flush, heater pipe assy(du...
2002 Ford Escape XLT 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
Hello everybody and thank you in advance for your help and guidance. A customer just bought their 02 Escape recently for their son. They brought it to me to get the random misfire and poor idle quality taken care of. The customer put some fuel inj. cleaner in ... Trouble codes: P0304 (Cyl 4 misfire), P0306 (Cyl 6 misfire), P0300 (Multiple Cyl misfire)
2005 Ford Excursion Limited 6.0L MIL Lamp on, VIN: 1FMSU43P55
We are asking for advise on this power stroke.Came in with code P0299 after researching faults for this code we found tsb # 06-23-2 for cleaning coking deposits inside turbo.We pulled the turbo & inspected inside We found moderate coking & the vanes did not ap... Trouble codes: P0299
2006 Ford Mustang GT 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1ZVHT85H66
Hello All, I Test drove this 4.6 Mustang GT close to closing time. It has a miss at idle and during acceleration pretty much all the time while driving though it felt like it smoothed out occasionally for a second or two while cruising with not much load. Thou... Trouble codes: P0174, P0305
2009 Ford Flex Limited 3.5L Left Rear Upper Knuckle Bushing VIN: 2FMEK63C29
Daughters car. Has bad upper knuckle bushing.Ford says only comes as knuckle assembly. Wonder if anyone knows of bushing # or possible substitution.Thanks in advance.
2010 Ford Flex SEL 3.5L HVAC Control VIN: 2FMGK5CCXA
Intermittently the hvac will freeze at 90 degrees, blower on. When this happens, none of the buttons will respond on hvac controller. It will set a u0256, failure to communicate with front control interface module. It has a 4 wire connector, power, gnd, and 2 ...
2011 Ford Fusion SEL 3.0L no commuinication VIN: 3FAHP0JG8B
car was brought over to me from a person that buys and sells at auctions.because its relatively new I cant find any info on all data nor on ondemand the checkengine airbag anti lock lights are on and front suspension light is on also if someone out there can g...
2001 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on VIN: 3GKEC16T91
tank pressure voltage reads 1.25v when i use my modis to command purge solenoid to 10% or more there is no change to tank pressure voltage. 12v to purge solenoid and opens when control wire is grounded manually. im thinking ecm driver is not grounding control ... Trouble codes: P0440, P0443
1993 Honda Accord LX 2.2L distributor VIN: 1HGCB7658P
Greetings from the frozen wastelands of NH! Got an odd one for you, and on my own car. I had it towed to the shop due to a massive oil leak. After work, pulled in my car, put it up on the lift, and the whole passenger side was covered in oil, stem to stern. En...
2000 Honda Civic EX 1.6L No Start VIN: 1HGEJ8642Y
Thanks to all in advance, I have this Honad that was towed to me because the Rack and pinion, now we have a no start problem. I have fuel and injector paulse but i have no spark. one thing that is going on the Neg side of the coil with the key on we have power...
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou... Trouble codes: P1399 (p0301-), P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304 (p0305-), P0305 (testing and results)
2005 Honda Element EX 2.4L Mechanical VIN: 5J6YH28655
Ok everyone having problems with this element. Customer brought car in to have the valves adjusted. I noticed ticking noise when pulling vehicle in after adjusting valves noise is still there. checked timing all marks are right. checked for play in exhaust act...
1997 Mercedes-Benz E320 3.2L stuck on limp mode VIN: WDBJF55F0V
Hello Mercedes techs: I have this 97 E320 which came from another shop with some history. The transmission had been replaced with a used one, and came to me to replace with a warranty one, also used. They also had replaced the transmissiomn module with a used ...
2000 Mercedes-Benz S430 4.3L AIRmatic VIN: WDBNG70JXY
Thank you for taking the time to read this. I'd like to know if any of you have experience an AIRmatic system that will not even try to function. Someone has replaced the compressor unit, and a few air lines. Now the car is too low and won't raise itself. anot...
2011 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on VIN: WDAPF4CC2B
MB sprinter showed up today with engine light and exhaust light on. def is full all connections at def tank are now clean and good. My snap-on scanner does not show much info and I cant find anything on mitchel for these codes. messege in dash says 8 starts re... Trouble codes: 15B70, 16CF0
2009 Mini Cooper S 1.6L Poor Idle Quality, MIL Lamp on VIN: WMWMF73519
Hell MIni Techs We have this Cooper S that came with a rough idle and has misfire codes in all cylinders, I read about carbon build up in the valves and problems with the high pressure fuel pump, but I would like to get some information on how to test for thes... Trouble codes: P00, 300 (Misfire code random), P00, 301 (Misfire code cylinder 1), P00, 302 (Misfire code cylinder 2), P00, 303 (Misfire codecylinder 3), P00, 304 (Misfire code cylinder 4)
2006 Mitsubishi Endeavor LS 3.8L No Start VIN: 4A4MM31S36
Car will not start(will start if you wait a few minutes) or hard to start(runs rough then dies and won't restart until you wait a few minutes). Only happens after putting gas into the car otherwise car runs great. Checked all sensors and vacumm hoses everythin...
2004 Nissan Maxima SL 3.5L battery VIN: 1N4BA41EX4
thanks in advance for any help.. Nissan techs helppp..really need to clear up the fine details.. customer brings in car saying killing battery after 2 days or so. new battery same thing.. did the full starting and charging test all good.. no codes in any compu...
2004 Pontiac Grand Prix GT2 3.8L Surge, Poor Fuel Economy VIN: 2G2WS54284
This is my wife's car, we have owned it since 82,000 miles. It now has 263,000 and has always been maintained properly with OEM components. While driving in drive or overdrive at a steady speed the converter locks and unlocks rhythmically... Its driving me nut...
1999 Saab 9-5 2.3L Brake booster VIN: 123412341X
Hey guys, I'm working on a 99 Saab 9-5, customer complaint of excessive pedal effort when braking. Confirmed complaint with a road test. Vehicle brakes ok for the first half of pedal stroke, but then becomes hard at the second half of travel. I can lock up the...
2007 Saturn Ion-2 2.2L Starting VIN: 1G8AJ55F57
hello techs, have this saturn that the key wont turn all the way to take the key out, only happens some times,when you pull the shifter botton when it is acting up you can not here the ignition lock control soleniod click but then it will work fine and you can...
2008 Subaru Impreza 2.5i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JF1GH61698
Really stumped on this one. Vehicle idles very poor and will die at idle in gear. After stalling it hard starts and will not fire unless the throttle is held down. Here's a list of what I've checked so far: -MAF - tried swaping a new one in with the same resu... Trouble codes: P0301, P0302, P0303, P0304, B
2006 Suzuki XL-7 Premium 2.7L Misfire, MIL Lamp on VIN: JS3TX92V96
Came in for ticking noise, found main chain tensioner broken. Replace all 3 tensioners and shoes. Did not physically remove chains from sprockets. I did have to remove both RH cam shafts to replace the RH secondary tensioner. I swapped coils, injectors, plugs.... Trouble codes: P0306 (cyl 6 misfire)
2000 Toyota Land Cruiser 4.7L Fit & Finish
Good evening great techs, hope everybody is doing well.The problem here with this well kept landcruiser is that the new remote control can not be programmed because the door lock actuators are all weak and I cannot actuate them 5 times within 40 seconds .I can...
1996 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWFA81H3T
Thanks in advance for reading this post. This car fails obd2 inspection due to po501 vehicle speed sensor. I have tested the sensor and see that it works, the speedometer works, but data shows 0mph while driving. I checked the archives and see that there are p... Trouble codes: P0501
1999 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWMD63D0X
Car originally came from another shop that had tried to repair same codes and spliced in new NGK 02's in the rear. We could not find any wiring faults for the heater, so suggested a used ECU. Car is back 125 miles later with same codes, installed new rear 02's... Trouble codes: P1198 (Rear 02 Heater circuit B1S2), P1199 (Rear 02 Heater circuit B2S2)
2002 Volkswagen Jetta TDI 1.9L broken VIN: 3VWSP69M82
hey guys, I have a TDI that has a broken glow plug. Was removing glow plugs, one went 1/4 turn and snapped, rest of plug in cyl head. Has anyone had any luck removing these without pulling the head? Any help greatly appreciated
2004 Volkswagen Beetle GLS 1.9L Wiper Motor VIN: 3VWCR31CX4
This vehicle has been too two different shops and still not fixed. The issue is when you operate the wipers and than turn them off, they will shut off for a short time(maybe one minute)than come back on. Has anyone ran into this type of situation before.
2000 Volvo S80 T6 2.8L start then no start VIN: YV1TS90D8Y
start car turn car off then will not restart unless u disconnect battery 10-20 sec. will restart every time after the battery is disconnected, have Vida codes are = 0004 uem siren communication falt,1a62 cem communication with ECM signal missing, 0093abs commu...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK668X7
2008 Cadillac CTS 3.6L Mechanical VIN: 1G6DF57788
the mystery is solved! the passenger side is in fact the right bank. the driver's position is the point of reference. The vehicle is running new chains updated cam actuators which are slightly deeper and eliminate the need for cam spacers. thanks guys
1981 Chevrolet Corvette 5.7L Buzzer VIN: 1G1AY8760B
Thanks for all of the input! This little black box is unfortunately extremely difficult to locate. Hopefully we will find one soon and post a fix for this hotrod. I am fairly confident that the key-in/seat-belt buzzer is at fault because with no "input" wires ...
1994 Chevrolet Blazer 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEK18K6R
thank you for all your help, dan from texas hit it just right, exactly the same problem, check the fuel pressure koeo and almost 0 , checked koer about 3 psi, and look at the spray pattern, not good, at this time customer did not want it to fix it, he said th... Trouble codes: 33 (map sensor vaccum too high), 44 (lean).
2008 Chevrolet Equinox Sport 3.6L doors
I have received some usfull info but I can't get the car back in She will be back I am sure for the normal service and I will post a fix then sorry Bill
2004 Chrysler PT Cruiser GT 2.4L MIL Lamp on VIN: 3C8FY78G64
Rechecked everything, even ran spare redundant grounds for the o2 sensors. Ended up being a defective in box new pcm directly from chrysler. Had PCM replaced again and vehicle now seems to be working properly. Trouble codes: P0032 (O2 sensor heater B1S1 Circuit High), P0038 (O2 sensor heater B1S2 circuit High).
2002 Dodge Ram 1500 ST 4.7L Brake lights VIN: 1D7HU18N62
Thanks to all whom responded. You guys are just "GREAT". This one is FIXXXXED. Tim form the (BC) was right on the mark. the harness behind the LF wheel was hanging down to get sand blasted buy the tire. at first glance looked fine. I unpinned the wires in ques...
2008 Dodge Charger R/T 5.7L None VIN: 2B3LA53H08
Much thanks to everyone who replied. I received 15 responses and all offered helpful advice. To those of you who said not to get involved and shared your experience thank you. I had reservations about the matter as well, but since I had worked with the person ...
2007 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTSX20537
First off thank you to everyone that took time out of their day to help.After taking valve covers one more time and checking for debris(nothing found), I recommended engine replacement but the customer did not want to spend any more money.What we did was add a... Trouble codes: P0020, P0300 (Random misfire detected), P0301 (Cylinder 1 misfire detected), P0303 (Cylinder 3 misfire detected), P0305 (Cylinder 5 misfire detected), P0307 (Cylinder 7 misfire detected).
2008 Ford Explorer XLT 4.0L Ambient temp VIN: 1FMEU73E98
Thanks guys for all the helpful tips.Especially Thomas from Kansas who suggested to drive the vehicle over 30 mph for 5 min.That must have done the trick because the vehicle came back on Monday and it was working fine. I take exception to a guy from Texas w...
2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK29274
we found that high pressure fuel pump was faulty. the customer probably cranked vehicle til it burned up the start circuit(reason we had to replace the ecm) we had a injector signal and pulse but no pressure to fire them. customer decided to tow vehice away an... Trouble codes: P0370 (Timing Ref High resolution).
2009 Honda CR-V EX 2.4L Cuts out VIN: 3CZRE48539
The customer is taking the car to the honda dealership to investigate a potential error on honda's part. What I found after I checked all the pcm powers and grounds was a shorted transmission input speed sensor. There were no engine or trans codes for this w... Trouble codes: P2610, P0685.
1995 Lincoln Town Car Signature 4.6L Stall VIN: 1LNLM82W8S
Thanks guys. To sum up the replies, vacuum leak, IAC, MAF, and idle relearn were all suggested. I stubbornly refused to believe I had a vacuum leak so I replaced the IAC and subbed in a known good MAF and tried to relearn idle after each to no avail. Finally I...
2006 Mazda 3 S 2.3L MIL Lamp on, VIN: JM1BK32336
Hello every one and once again thanks every one for your help. sorry it took a while. After checking cam and crank sensor. verfied valve timing with proper tools. inspected the oil control valve operation, The problem was damaged cam shaft phaser. This engine ...
2009 Mercedes-Benz E300 4Matic 3.0L Misfire Cyc 1
Car discharged without further repair, case remain unsolved mystery.
2002 Mercury Cougar 2.5L caliper VIN: 1ZWHT61L22
We have fixed the Cougar. After we determined that our "no pressure - no brake fluid condition" was isolated to the left rear wheel, we checked the brake line, master cylinder, and left rear caliper. We found that we did have adequate pressure between the ma...
1991 Mitsubishi 3000GT VR-4 3.0L Antenna Mast VIN: JA3XE74C2M
The sleeve that holds the mast in was corroded. I cut the mast off at the lowest sleeve as high as possible. Pushed the plastic tape in then inserted a drill bit into the hole. Grabbed the mast with a pair of vice grips. The drill bit keeps the mast from being...
2006 Nissan Frontier SE 4.0L No Start VIN: 1N6AD07UX6
Well, always remember the basics. I had a solid waveform, but maybe I missed the glitches. Further inspection of the intake camshaft revealed a broken tooth on the pickup portion for sensor! thank you for the replies! Trouble codes: P0340 (Cam sensor bank 1 problem).
1998 Toyota Camry CE 2.2L Charging VIN: JT2BG28K5W
well i have recieved many posts with good suggestions as to where to look for my short causing this fuse to blow however customer has not been back to complete diagnosis. most replies pointed to either bad alt or broken wirirng at trunk hinge i highly suspect ...
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