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Prev Professional Automotive Repair Technical Discussions for November 28, 2008
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Help Request Answers
1997 Cadillac Eldorado 4.6L abs and trac VIN: 1G6EL12Y7V
I have 2 codes that trigger at 30 mph. c1232 and c1233 have done all the testing I know of and seem to always get the same codes. Computer is seeing wheel speed and is correct. I have just replaced the engine and Had no codes before this. Other than disconnec...
2001 Cadillac DeVille 4.6L interior fuse VIN: 1G6KD57Y81
blows interior fuse. split system up in two parts at the spice packs with separate fuses. lf side fuse blows intermitedly. found that the feed for overhead lamps would ground out at times. the system spiders out and has diff. connection points. not sure how it...
1994 Chevrolet C3500 Cheyenne 6.5L Stall VIN: 1GBKC34FXR
Problem child stalls.No codes found current or historical.Scan data looks normal accept temp higher than what it really is about 100 degrees,I know this is not normal but i do not know why,Sensor replace with same readings.This truck will stall and restart som...
1996 Chevrolet S10 2.2L Hesitation, Surge, Stall, Misfire VIN: 1GCCS1445T
This vehicle will surge, backfire and will not accelerate above 3600 rpm. At times it will surge and stall in gear at idle. Can find No codes. Fuel trims are rich. Has had : Crank sensor, ignition module & Coils, idle speed motor, map,PCV, Plugs, Wires, By cus...
2001 Chevrolet Suburban 1500 5.3L bcm VIN: 3GNEC16T41
hello. GM techs I have a problem with this suburban, BCM it is not responding I have checked the 3 powers the 2 grounds and the rest of the circuit I have tried 2 new from the dealer plus the one the custumerhad,but the BCM is not activating the relays for int...
2001 Chevrolet Suburban 2500 8.1L fuel gauge VIN: 3GNGK26G61
checked all connections on tank, pcm and cluster, monitor info with scanner as you drive. reading fuel level values and level with m2500 scanner. voltage level stays at 2.43 and liters stay at 106 with gauge reading in appropriate range on gauge. while driving...
2003 Chevrolet Silverado 2500 HD 6.6L shift inhibit light VIN: 1GCHC29173
this truck runs fine but when the shift inhibit message comes on the truck wont move from nuetral. it is intermittent. doesnt matter if it is hot or cold.
2004 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDS13S54
Thank you all for your help and information, this one has us puzzled and any advice or help will be appreciated. This vehicle comes to us from a large used car lot that we are their repair facility. The customerís complaint is a rattle vibration noise when acc...
1994 Dodge Dakota 3.9L Fuel Leak VIN: 1B7GG26X5R
This old Dakota has a rusted fuel line. Chrysler and local aftermarket supplier both do not have a replacement line. This line has the Ford style (U clip) plastic fitting/line at the pump then shrunk fit onto steel line which has a quick disconnect at the fron...
1995 Dodge Ram 2500 Truck 5.9L p/s pump and/or gearbox VIN: 1B7KF26C9S
To all available techs, We have a hair puller here in the form of a power steering system that came in originally for a leaking steering gear and no power assist. The customer requested a reman gear,and we then told him that a leaking gear is not necessarily ...
2000 Dodge Grand Caravan 3.0L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2B4GP2430Y
customer complains of a mil and misfire under hard acceleration. Trouble codes: P0622 (generator full field not switching), P1393 (int loss of cam/crank)
2001 Dodge Ram 2500 Truck 5.9L MIL Lamp on VIN: 387KF23651
cutomer brought this truck in with service eng light on. found code p0216, inj pump timing problem. i checked transfer pump p.s.i., it was right at 14. i replaced the injection pump and fuel filter and the light stil comes on after driving a few miles. there w... Trouble codes: P0216 (fuel injection pump timing problem)
1990 Ford F-350 Custom 5.8L reverse VIN: 2FTHF36H5L
This vehicle exhibits a very harsh and strong vibration/shudder when going in reverse. It will only occur after tranny is fully warmed up. The sympton will not show up in 4wd low but in 2wd and 4wd hi it is present. It will shake the entire truck til it reache...
1996 Ford Ranger Splash 3.0L No Start VIN: 1FTCR10U1T
this is my sons truck wont start the eng lite not on with key on or in the start position when it wont start tried dis connecting sensors dpfe tps idle air try to get eng lite to come on now that he is home from school i can play with it i notice when turn the...
2002 Ford F-150 XL 4.2L Poor Idle Quality, MIL Lamp on VIN: 1FTZX07231
I have an f150 that set a p0174 code, replaced a dud sensor, came back two weeks later with a p0174 and a p0460. Truck runs OK, idles slightly rough. LTFT b1 is -2, b2 is 1. MAF is 4.17g/s, .79V. TPS closed is 1.01V (Isn't this a little high?). I smoke tested ... Trouble codes: P0174, P0460
2002 Ford Ranger Edge 3.0L Misfire, MIL Lamp on VIN: 1FTYR44U42
We are dead in the water now. I have spark, and 100 psi is not too low on compression to cause a cilinder to go dead. I can see the spark going to cilinder # 6 with my spark tester, the injector tester shows me activity. What else could cause this problem? Ple...
2005 Ford E-250 5.4L Poor Idle Quality, Stall, Misfire VIN: 1FTNE24L05
Customer returned the vehicle a week after the initial repairs with a stalling condition. I test drove the vehicle but was unable to get the vehicle to stall. Customer advised the vehicle mainly stalls when cold. Let vehicle sit overnight and test drove the ne... Trouble codes: P0001 (Unknown - Said it was from fuel press regulator sol problem unable to find code info.), P0306 (Cyl 6 misfire), P0304 (Cyl 4 misfire), P0316 (Misfire at startup - 1st 1000 revolutions)
2000 GMC Savana 2500 5.0L evap, O2 heater VIN: 1GTFG25M2Y
Am I missing a specific drive cycle procedure for this truck, or are the monitors just this hard to set on this vehicle?? Any help would be appreciated so I can get this truck to pass the state emissions test for this customer. Thanks in advance!
1982 Honda Accord 1.6L oil/water leakage VIN: JHMS25423C
personally remanufactured this engine will all new oem parts this year...head/block was pistons, valve grind, seats, guides, crank, cleavite bearings, cam, timing components, radiator, felpro gasket set, and new stretch head bolts... the prob...
1993 Honda Civic EX 1.6L cable reel/cruise switch VIN: JHMEJ6582W
During the removal of the steering wheel the green 3p green connector from the cable reel to the set/accel swithc popped off. I cannot find in ALLDATA a schematic diagram for the green connector and how the 3 grey wires from the cable reel go in. I have contac...
1988 Jeep Cherokee Laredo 4.0L Cuts out, Stall VIN: 1JCMT7846J
This vehicle stalls when it wants hot,cold,cruise,stopped,accel,decel when ever. Installed crank sensor,plugs,wires cap,rotor. No codes, fuel pressure in spec at all times. Cant duplicate in shop just while on road test.Tps,map and IAC all in spec with no appa...
2004 Jeep Liberty Sport 3.7L dash cluster VIN: 1J4GL48K54
this truck came in 7 days ago with no function in cluster. one off the other guys worked on it with me. while starting to test he unplugged the cluster and plugged it in again then it worked. today it came back for same disfunctional dash and his repair worked...
1998 Nissan Altima SE 2.4L No Start VIN: 1NDL01D5WC
Car will not start cold unless you pour fuel down the intake. Fuel pres. normal,spark good,noid weak. Replaced crank sensor and distribotor looking at knowledge base, same problem. Checked the cold start fues,good with voltage when cranking. Not sure were to g...
2005 Nissan Altima S 2.5L Poor Idle Quality, Surge VIN: 1N4AL11D95
Engine idle fluctuates between 1000 ans 2000 rpm at hot idle. Noticed a delay in reading of on throttle sensor ,replaced throttle body and ran idle volume learn procedure, still fluctuates but not as bad. The procedure I used was the turn key on, 3 seconds cyc... Trouble codes: P0507
2000 Oldsmobile Bravada 4.3L Electronic VIN: 1GHDT13W7Y
This truck came in for no heat. I confirmed the condition found the temperature blend door motor was not moving properly. I replaced motor, ran the reset process of pulling a fuse for 10 seconds. My issue is now that on full hot system has great heat, however ...
1999 Other European ferrari 5.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FAFP53U32
Hello techs' I've got 1999 ferrari modena it doesnt have power and idle is not smooth either, i had a hard time to get a code even it has obd2 connector, i tried serveral scan tool and finally i was able to get the code. the code is (p1569 manufacturer contro... Trouble codes: P1569 (manufacturer controlled vehicle speed idle control auxiliary inputs)
1990 Subaru Legacy L 2.2L Speedo&Trans VIN: JF2BJ63C9L
I have this Subaru Legacy L Wagon here that has really got me running around in circles. The first problem this vehicle had was that the speedometer would drop all the way down to zero, or it would slowly jump up and down little by little until it got down to ...
1996 Subaru Legacy L 2.2L brake fluid loss VIN: 4S3BD4351T
Hi guys and sure hpe someone can help. This car is driving me crazy. I have put 3 master cylinders in this car, they are rebuilt but im thinking at some point i would have found a good one. It loses brake fluid in about 4 weeks, not enough to empty the resevoi...
2006 Subaru B9 Tribeca Limited 3.0L TPMS light VIN: 4S4WX82C76
Hi all- Here is my problem on my wifes Tribeca: TPMS light blinks slowly after driving 30-40 min on cold days (below 50 deg F). Problem started last spring when I took off the snow tires and did not occur much over the summer. Now that is is cold here it happ...
1990 Toyota MR2 turbo 2.0L Hesitation VIN: JT25W22N6M
Hi guys, I have a 1990 MR2 turbo that is acting very weird. The car runs great at idle and below 5000 rpm, when going over 5000pm, specially at full throttle, the car will not accelerate further, it just falls flat. I have a friend with a dyno, and I drove the...
1995 Toyota Camry LE 2.2L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 4T1SK12E0S
First off, thanks in advance for any info. This 95 camry will intermittantly bog down when accelerating, worst when going from idle to WOT. Has an occasional miss at idle but seems fine with slight pressure on accelerator. We have cleaned IAC, removed and clea...
1999 Volkswagen Jetta GLS 2.0L ABS pump VIN: 3VWSC29M6X
Hello VW Techs I have this 1999 Volkswagen Jetta , engine code AEG, has an ABS code #01276 and the ABS warning light comes on intermittently, the ABS control module was replaced with a new unit but did not cure the problem, I did read the posting about the spe...
2000 Volkswagen Jetta GL 2.0L no heat VIN: 3VWRC29MXY
i really need some help i installed new radiator in this vechile. ever since i had no heat. thought air pocket let bleed overnight & took for long ride. still no heat,pulled therm housing to check water pump. must be fairly new it steel. put back together stil...
2003 Volkswagen Passat W8 4.0L Fluid Type VIN: WVWUK63B43
We have exchanged engines in a 2003 VW Passat W8 4.0 and need to add trans. fluid. The nearest VW dealership is 150 miles away and Mitchell specifies to only use VW trans. fluid. Is there an alternative fluid that we can use to top off or do we have to order i...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 330i 3.0L No Compression VIN: WBAAV53491
Excellent replies. Sorry for the delay but I had to wait for customer to come up with funds before I would tackle this job. I confirmed bent valves from over-revving the engine. All the exhaust valves got hit. The head looks to be fine by all accounts though. ...
2004 Cadillac CTS 3.2L no engagements in forward VIN: 1G6DM57794
we rebuilt this transmission and the first thing we did was to go in a test drive. We found smooht up-shifts but hard downshifts. After doing some research we found that the transmissions adaptives had to be relearned. We perform the relearn procedure using ou...
1996 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W6T
first let me thank everyone that replied. alot of replies suggested checking the cam retard. this set-up has a fixed distributer, no adj. one tooth out and you get a code. to make a long story short i ended up replacing the fuel pump and the miss almost went ... Trouble codes: P0300 (random misfire).
1997 Chevrolet C1500 Cheyenne 5.7L brake pedal VIN: 2GCEC19R8V
2001 Chevrolet Venture LS 3.4L interior lights VIN: 1GNDX13E11
I was able to narrow the problem down to the headlamp switch as everybody said. I am guessing the switch corroded inside due to not using it bacause of the auto lamps. I want to thank everyone for you inputs in giving me a starting point. Sometime we know s...
2004 Dodge Sprinter 3500 2.7L Oil Pre Releif Vlv VIN: WD2PD54404
Did not get much response with this one, but I am sure that the valve was installed correctly. It appears that the seal of the valve had formed to show that the inlet was indeed pointing to the block. It would make sense to let pressure out fo the block and ba...
1994 Ford Mustang 3.8L Misfire VIN: 1FALP4049R
Thanks to all the responses,Finally got a chance to mess with this thing.Found cam sensor out of sync.Borrowed tool from dealer,fixed prob Trouble codes: P0301.
1996 Infiniti Q45 A 4.5L Hesitation, Surge, Cuts out VIN: JNKNG01D5T
i sold the customer a maf from infiniti. installed and all is well thanks stephen , joseph and jason! all responses were pretty much identical Trouble codes: P0340, P0325, P0733.
2001 Jaguar S-Type 3.0L heat VIN: SAJDA01N61
The custome tells me the heat has been working fine since the water pump installation
1999 Jeep Grand Cherokee Limited 4.0L No Start, Stall VIN: 1J4GW68SCX
Wow, you guys are GREAT. Per the overwhelming suggestions - I replaced the Crank Position Sensor. The customer has not experienced any symptoms since. I will now pronounce it fixed (until something else brakes)!!! Thank You for your time and suggestions on th...
2000 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A7Y
Thanks for all the help, i found that changing the #4 ignition coil solved the problem. thanks for all the information Dean [...] Trouble codes: P0302 (Cylinder 2 miss fire detected), P0304 (Cylinder 4 miss fire detected), P0307 (Cylinder 7 miss fire detected), P0308 (Cylinder 8 miss fire detected).
2004 Mazda 3 i 2.0L Transmission VIN: JM1BK12F44
Hey guys, sorry for the delay. I took the car back to the dealer as it was still under warranty (they had told my brother that it only had a 4yr-40000km waranty, not true, his warranty book said 5yr-[...] waranty) so he took it in with book in hand and they...
2000 Mercedes-Benz ML430 4.3L Misfire VIN: WDCAB72E2Y
Problem was... camshaft timing! Despite technician had rechecked it I suspected of camshaft timing after doing a new compression test. I found about 10lb less on problem side cylinders. Left cam was one tooth retarded. I'm giving technician a brake because t... Trouble codes: P0300 (misfire damages twc), P0305 (misfire damages twc cyl 5), P0306 (misfire damages twc cyl 6), P0307 (misfires damages twc cyl 7).
2002 Mini Cooper 1.6L Cooling Systems VIN: WMWRC33452
Thank you for all the replies on the Mini. We found that the plastic thermostat housing are an issue, someone needs to come up with an aluminum one. We also found out how important it is to use factory coolant. The electrical part of our problem with cool fan ...
1995 Oldsmobile 88 Royale LS 3.8L cruise control VIN: 1G3HY52KXS
we have not fixed this vehicle,everything tests perfect,intermittently it will set a code and render system inoperative,after exhausting many hours with no luck,the customer needed his car back for awhile and will see if a patern develops .
2002 Oldsmobile Bravada 4.2L vss VIN: IGHDT3SX22
Good news,the second Pcm (used) due to costs (fixed) that nasty P0502,special thanks to Randy from PA for hitting it right on the head. Further testing of the Pcm for Vss outputs proved that the used computer was a dud. In a perfect world we would only insta...
1997 Pontiac Sunfire GT 2.4L Park Brake VIN: 3G2JD12T8V
This Sunfire park brake is finally fixed. Initially we replaced the front cable - was sticky and there is a TSB to replace with an updated cable - did not help. Next we replaced the Raybestos front cable with an AC Delco cable, same problem. Next we replace...
2007 Pontiac Grand Prix 3.8L low beams VIN: 2G2WP55227
Thanks very much to everyone who replied.All had good suggetions.Alex from Georgia gets a gold star. We replaced the underhood fuse block three weeks ago,talked with the customer about a week ago and they still had no problems. We dismantled the original fuse ...
1986 Porsche 944 2.5L axle or axle flange VIN: WP0AA0942G
WOW, sorry for the late close, but I wanted to make sure its was fixed. Just about everyone pointed to the axle as the source of the noise. Some said replace, some said to repack with grease. I opted to clean and repack the inner joint, for now. So far so good...
1999 Saab 9-3 2.0L Alternator pulley VIN: YS3DD58N8X
Thanks to those who replied. I left this open for a while after the repair hoping for more response. The vehicle repair was easy, replaced the pulley, but we still cannot figure out what causes this problem. It is the second time we have seen this with no othe...
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